Finding the Fourth Proportional to 10,397.84, 14,339.52 and 8,129.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,397.84 : 14,339.52 = 8,129.52 : x
2. Step 2: Convert to fraction form
   10,397.84/14,339.52 = 8,129.52/x
3. Step 3: Cross multiply
   10,397.84x = 14,339.52 × 8,129.52
4. Step 4: Simplify right side
   10,397.84x = 116,573,414.63
5. Step 5: Solve for x
   x = 116,573,414.63/10,397.84
6. Step 6: Final answer
   x = 11,211.31