Finding the Fourth Proportional to 53,567.61, 80,387.72 and 21,983.37

Step by Step Solution

1. Step 1: Write the proportion equation
   53,567.61 : 80,387.72 = 21,983.37 : x
2. Step 2: Convert to fraction form
   53,567.61/80,387.72 = 21,983.37/x
3. Step 3: Cross multiply
   53,567.61x = 80,387.72 × 21,983.37
4. Step 4: Simplify right side
   53,567.61x = 1,767,192,882.30
5. Step 5: Solve for x
   x = 1,767,192,882.30/53,567.61
6. Step 6: Final answer
   x = 32,989.95