Finding the Fourth Proportional to 71,581.04, 107,336.72 and 21,651.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,581.04 : 107,336.72 = 21,651.52 : x
2. Step 2: Convert to fraction form
   71,581.04/107,336.72 = 21,651.52/x
3. Step 3: Cross multiply
   71,581.04x = 107,336.72 × 21,651.52
4. Step 4: Simplify right side
   71,581.04x = 2,324,003,139.81
5. Step 5: Solve for x
   x = 2,324,003,139.81/71,581.04
6. Step 6: Final answer
   x = 32,466.74