Finding the Fourth Proportional to 22,761.52, 34,141.93 and 13,879.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,761.52 : 34,141.93 = 13,879.47 : x
2. Step 2: Convert to fraction form
   22,761.52/34,141.93 = 13,879.47/x
3. Step 3: Cross multiply
   22,761.52x = 34,141.93 × 13,879.47
4. Step 4: Simplify right side
   22,761.52x = 473,871,893.18
5. Step 5: Solve for x
   x = 473,871,893.18/22,761.52
6. Step 6: Final answer
   x = 20,818.99