Finding the Fourth Proportional to 71,151.02, 106,738.06 and 21,891.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,151.02 : 106,738.06 = 21,891.50 : x
2. Step 2: Convert to fraction form
   71,151.02/106,738.06 = 21,891.50/x
3. Step 3: Cross multiply
   71,151.02x = 106,738.06 × 21,891.50
4. Step 4: Simplify right side
   71,151.02x = 2,336,656,240.49
5. Step 5: Solve for x
   x = 2,336,656,240.49/71,151.02
6. Step 6: Final answer
   x = 32,840.80