Finding the Fourth Proportional to 42,792,025.28, 59,034,173.76 and 28,848,286.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,792,025.28 : 59,034,173.76 = 28,848,286.71 : x
2. Step 2: Convert to fraction form
   42,792,025.28/59,034,173.76 = 28,848,286.71/x
3. Step 3: Cross multiply
   42,792,025.28x = 59,034,173.76 × 28,848,286.71
4. Step 4: Simplify right side
   42,792,025.28x = 1,703,034,770,316,438.75
5. Step 5: Solve for x
   x = 1,703,034,770,316,438.75/42,792,025.28
6. Step 6: Final answer
   x = 39,797,947.38