Finding the Fourth Proportional to 12,759.86, 17,613.19 and 7,384.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,759.86 : 17,613.19 = 7,384.72 : x
2. Step 2: Convert to fraction form
   12,759.86/17,613.19 = 7,384.72/x
3. Step 3: Cross multiply
   12,759.86x = 17,613.19 × 7,384.72
4. Step 4: Simplify right side
   12,759.86x = 130,068,375.96
5. Step 5: Solve for x
   x = 130,068,375.96/12,759.86
6. Step 6: Final answer
   x = 10,193.56