Finding the Fourth Proportional to 32,781.55, 49,131.15 and 14,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,781.55 : 49,131.15 = 14,039.50 : x
2. Step 2: Convert to fraction form
   32,781.55/49,131.15 = 14,039.50/x
3. Step 3: Cross multiply
   32,781.55x = 49,131.15 × 14,039.50
4. Step 4: Simplify right side
   32,781.55x = 689,776,780.43
5. Step 5: Solve for x
   x = 689,776,780.43/32,781.55
6. Step 6: Final answer
   x = 21,041.62