Finding the Fourth Proportional to 12,825.50, 17,699.30 and 7,375.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,825.50 : 17,699.30 = 7,375.39 : x
2. Step 2: Convert to fraction form
   12,825.50/17,699.30 = 7,375.39/x
3. Step 3: Cross multiply
   12,825.50x = 17,699.30 × 7,375.39
4. Step 4: Simplify right side
   12,825.50x = 130,539,228.25
5. Step 5: Solve for x
   x = 130,539,228.25/12,825.50
6. Step 6: Final answer
   x = 10,178.10