Finding the Fourth Proportional to 93,107.86, 139,662.09 and 25,640.82

Step by Step Solution

1. Step 1: Write the proportion equation
   93,107.86 : 139,662.09 = 25,640.82 : x
2. Step 2: Convert to fraction form
   93,107.86/139,662.09 = 25,640.82/x
3. Step 3: Cross multiply
   93,107.86x = 139,662.09 × 25,640.82
4. Step 4: Simplify right side
   93,107.86x = 3,581,050,510.51
5. Step 5: Solve for x
   x = 3,581,050,510.51/93,107.86
6. Step 6: Final answer
   x = 38,461.31