Finding the Fourth Proportional to 29,379.50, 40,543.71 and 16,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,379.50 : 40,543.71 = 16,131.50 : x
2. Step 2: Convert to fraction form
   29,379.50/40,543.71 = 16,131.50/x
3. Step 3: Cross multiply
   29,379.50x = 40,543.71 × 16,131.50
4. Step 4: Simplify right side
   29,379.50x = 654,030,857.87
5. Step 5: Solve for x
   x = 654,030,857.87/29,379.50
6. Step 6: Final answer
   x = 22,261.47