Finding the Fourth Proportional to 71,089.71, 106,598.91 and 23,688.15

Step by Step Solution

1. Step 1: Write the proportion equation
   71,089.71 : 106,598.91 = 23,688.15 : x
2. Step 2: Convert to fraction form
   71,089.71/106,598.91 = 23,688.15/x
3. Step 3: Cross multiply
   71,089.71x = 106,598.91 × 23,688.15
4. Step 4: Simplify right side
   71,089.71x = 2,525,130,969.92
5. Step 5: Solve for x
   x = 2,525,130,969.92/71,089.71
6. Step 6: Final answer
   x = 35,520.34