Finding the Fourth Proportional to 32,909.43, 45,411.96 and 20,156.79

Step by Step Solution

1. Step 1: Write the proportion equation
   32,909.43 : 45,411.96 = 20,156.79 : x
2. Step 2: Convert to fraction form
   32,909.43/45,411.96 = 20,156.79/x
3. Step 3: Cross multiply
   32,909.43x = 45,411.96 × 20,156.79
4. Step 4: Simplify right side
   32,909.43x = 915,359,341.21
5. Step 5: Solve for x
   x = 915,359,341.21/32,909.43
6. Step 6: Final answer
   x = 27,814.50