Finding the Fourth Proportional to 71,508.83, 107,280.59 and 21,585.94

Step by Step Solution

1. Step 1: Write the proportion equation
   71,508.83 : 107,280.59 = 21,585.94 : x
2. Step 2: Convert to fraction form
   71,508.83/107,280.59 = 21,585.94/x
3. Step 3: Cross multiply
   71,508.83x = 107,280.59 × 21,585.94
4. Step 4: Simplify right side
   71,508.83x = 2,315,752,606.23
5. Step 5: Solve for x
   x = 2,315,752,606.23/71,508.83
6. Step 6: Final answer
   x = 32,384.15