Finding the Fourth Proportional to 32,931.50, 49,408.34 and 10,445.90

Step by Step Solution

1. Step 1: Write the proportion equation
   32,931.50 : 49,408.34 = 10,445.90 : x
2. Step 2: Convert to fraction form
   32,931.50/49,408.34 = 10,445.90/x
3. Step 3: Cross multiply
   32,931.50x = 49,408.34 × 10,445.90
4. Step 4: Simplify right side
   32,931.50x = 516,114,279.53
5. Step 5: Solve for x
   x = 516,114,279.53/32,931.50
6. Step 6: Final answer
   x = 15,672.36