Finding the Fourth Proportional to 1,015,546.10, 1,399,098.25 and 709,137.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,546.10 : 1,399,098.25 = 709,137.15 : x
2. Step 2: Convert to fraction form
   1,015,546.10/1,399,098.25 = 709,137.15/x
3. Step 3: Cross multiply
   1,015,546.10x = 1,399,098.25 × 709,137.15
4. Step 4: Simplify right side
   1,015,546.10x = 992,152,535,033.81
5. Step 5: Solve for x
   x = 992,152,535,033.81/1,015,546.10
6. Step 6: Final answer
   x = 976,964.55