Finding the Fourth Proportional to 32,631.78, 48,945.06 and 10,439.16

Step by Step Solution

1. Step 1: Write the proportion equation
   32,631.78 : 48,945.06 = 10,439.16 : x
2. Step 2: Convert to fraction form
   32,631.78/48,945.06 = 10,439.16/x
3. Step 3: Cross multiply
   32,631.78x = 48,945.06 × 10,439.16
4. Step 4: Simplify right side
   32,631.78x = 510,945,312.55
5. Step 5: Solve for x
   x = 510,945,312.55/32,631.78
6. Step 6: Final answer
   x = 15,657.91