Finding the Fourth Proportional to 42,156,105.12, 58,152,985.02 and 25,641,280.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,156,105.12 : 58,152,985.02 = 25,641,280.80 : x
2. Step 2: Convert to fraction form
   42,156,105.12/58,152,985.02 = 25,641,280.80/x
3. Step 3: Cross multiply
   42,156,105.12x = 58,152,985.02 × 25,641,280.80
4. Step 4: Simplify right side
   42,156,105.12x = 1,491,117,018,256,013.75
5. Step 5: Solve for x
   x = 1,491,117,018,256,013.75/42,156,105.12
6. Step 6: Final answer
   x = 35,371,318.44