Finding the Fourth Proportional to 71,510.83, 107,283.59 and 21,587.95

Step by Step Solution

1. Step 1: Write the proportion equation
   71,510.83 : 107,283.59 = 21,587.95 : x
2. Step 2: Convert to fraction form
   71,510.83/107,283.59 = 21,587.95/x
3. Step 3: Cross multiply
   71,510.83x = 107,283.59 × 21,587.95
4. Step 4: Simplify right side
   71,510.83x = 2,316,032,132.38
5. Step 5: Solve for x
   x = 2,316,032,132.38/71,510.83
6. Step 6: Final answer
   x = 32,387.15