Finding the Fourth Proportional to 87,973.02, 131,957.68 and 21,413.52

Step by Step Solution

1. Step 1: Write the proportion equation
   87,973.02 : 131,957.68 = 21,413.52 : x
2. Step 2: Convert to fraction form
   87,973.02/131,957.68 = 21,413.52/x
3. Step 3: Cross multiply
   87,973.02x = 131,957.68 × 21,413.52
4. Step 4: Simplify right side
   87,973.02x = 2,825,678,419.83
5. Step 5: Solve for x
   x = 2,825,678,419.83/87,973.02
6. Step 6: Final answer
   x = 32,119.83