Finding the Fourth Proportional to 104,551.38, 156,830.15 and 25,665.61

Step by Step Solution

1. Step 1: Write the proportion equation
   104,551.38 : 156,830.15 = 25,665.61 : x
2. Step 2: Convert to fraction form
   104,551.38/156,830.15 = 25,665.61/x
3. Step 3: Cross multiply
   104,551.38x = 156,830.15 × 25,665.61
4. Step 4: Simplify right side
   104,551.38x = 4,025,141,360.10
5. Step 5: Solve for x
   x = 4,025,141,360.10/104,551.38
6. Step 6: Final answer
   x = 38,499.17