Finding the Fourth Proportional to 80,608,999.42, 111,205,389.09 and 51,224,598.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,608,999.42 : 111,205,389.09 = 51,224,598.82 : x
2. Step 2: Convert to fraction form
   80,608,999.42/111,205,389.09 = 51,224,598.82/x
3. Step 3: Cross multiply
   80,608,999.42x = 111,205,389.09 × 51,224,598.82
4. Step 4: Simplify right side
   80,608,999.42x = 5,696,451,442,757,255
5. Step 5: Solve for x
   x = 5,696,451,442,757,255/80,608,999.42
6. Step 6: Final answer
   x = 70,667,685.79