Finding the Fourth Proportional to 16,691.37, 25,038.42 and 5,598.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,691.37 : 25,038.42 = 5,598.15 : x
2. Step 2: Convert to fraction form
   16,691.37/25,038.42 = 5,598.15/x
3. Step 3: Cross multiply
   16,691.37x = 25,038.42 × 5,598.15
4. Step 4: Simplify right side
   16,691.37x = 140,168,830.92
5. Step 5: Solve for x
   x = 140,168,830.92/16,691.37
6. Step 6: Final answer
   x = 8,397.68