Finding the Fourth Proportional to 231,435,813.87, 347,155,667.24 and 58,912,656.75

Step by Step Solution

1. Step 1: Write the proportion equation
   231,435,813.87 : 347,155,667.24 = 58,912,656.75 : x
2. Step 2: Convert to fraction form
   231,435,813.87/347,155,667.24 = 58,912,656.75/x
3. Step 3: Cross multiply
   231,435,813.87x = 347,155,667.24 × 58,912,656.75
4. Step 4: Simplify right side
   231,435,813.87x = 20,451,862,662,632,776
5. Step 5: Solve for x
   x = 20,451,862,662,632,776/231,435,813.87
6. Step 6: Final answer
   x = 88,369,480.59