Finding the Fourth Proportional to 9,124.96, 12,592.56 and 5,586.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,124.96 : 12,592.56 = 5,586.88 : x
2. Step 2: Convert to fraction form
   9,124.96/12,592.56 = 5,586.88/x
3. Step 3: Cross multiply
   9,124.96x = 12,592.56 × 5,586.88
4. Step 4: Simplify right side
   9,124.96x = 70,353,121.61
5. Step 5: Solve for x
   x = 70,353,121.61/9,124.96
6. Step 6: Final answer
   x = 7,709.96