Finding the Fourth Proportional to 32,878.78, 49,310.88 and 13,152.04

Step by Step Solution

1. Step 1: Write the proportion equation
   32,878.78 : 49,310.88 = 13,152.04 : x
2. Step 2: Convert to fraction form
   32,878.78/49,310.88 = 13,152.04/x
3. Step 3: Cross multiply
   32,878.78x = 49,310.88 × 13,152.04
4. Step 4: Simplify right side
   32,878.78x = 648,538,666.20
5. Step 5: Solve for x
   x = 648,538,666.20/32,878.78
6. Step 6: Final answer
   x = 19,725.14