Finding the Fourth Proportional to 9,124.58, 13,680.72 and 7,371.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.58 : 13,680.72 = 7,371.74 : x
2. Step 2: Convert to fraction form
   9,124.58/13,680.72 = 7,371.74/x
3. Step 3: Cross multiply
   9,124.58x = 13,680.72 × 7,371.74
4. Step 4: Simplify right side
   9,124.58x = 100,850,710.85
5. Step 5: Solve for x
   x = 100,850,710.85/9,124.58
6. Step 6: Final answer
   x = 11,052.64