Finding the Fourth Proportional to 105,447,910.57, 145,516,491.42 and 59,039,825.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,447,910.57 : 145,516,491.42 = 59,039,825.24 : x
2. Step 2: Convert to fraction form
   105,447,910.57/145,516,491.42 = 59,039,825.24/x
3. Step 3: Cross multiply
   105,447,910.57x = 145,516,491.42 × 59,039,825.24
4. Step 4: Simplify right side
   105,447,910.57x = 8,591,268,222,974,759
5. Step 5: Solve for x
   x = 8,591,268,222,974,759/105,447,910.57
6. Step 6: Final answer
   x = 81,474,048.91