Finding the Fourth Proportional to 16,685.10, 25,029.45 and 5,591.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,685.10 : 25,029.45 = 5,591.34 : x
2. Step 2: Convert to fraction form
   16,685.10/25,029.45 = 5,591.34/x
3. Step 3: Cross multiply
   16,685.10x = 25,029.45 × 5,591.34
4. Step 4: Simplify right side
   16,685.10x = 139,948,164.96
5. Step 5: Solve for x
   x = 139,948,164.96/16,685.10
6. Step 6: Final answer
   x = 8,387.61