Finding the Fourth Proportional to 1,224,932,087,952, 1,690,408,784,758.20 and 676,224,147,643.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,932,087,952 : 1,690,408,784,758.20 = 676,224,147,643.10 : x
2. Step 2: Convert to fraction form
   1,224,932,087,952/1,690,408,784,758.20 = 676,224,147,643.10/x
3. Step 3: Cross multiply
   1,224,932,087,952x = 1,690,408,784,758.20 × 676,224,147,643.10
4. Step 4: Simplify right side
   1,224,932,087,952x = 1,143,095,239,641,522,222,661,632
5. Step 5: Solve for x
   x = 1,143,095,239,641,522,222,661,632/1,224,932,087,952
6. Step 6: Final answer
   x = 933,190,705,741.65