Finding the Fourth Proportional to 71,150.02, 106,736.55 and 21,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,150.02 : 106,736.55 = 21,890.50 : x
2. Step 2: Convert to fraction form
   71,150.02/106,736.55 = 21,890.50/x
3. Step 3: Cross multiply
   71,150.02x = 106,736.55 × 21,890.50
4. Step 4: Simplify right side
   71,150.02x = 2,336,516,447.78
5. Step 5: Solve for x
   x = 2,336,516,447.78/71,150.02
6. Step 6: Final answer
   x = 32,839.29