Finding the Fourth Proportional to 9,337.76, 12,886.24 and 5,359.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,337.76 : 12,886.24 = 5,359.20 : x
2. Step 2: Convert to fraction form
   9,337.76/12,886.24 = 5,359.20/x
3. Step 3: Cross multiply
   9,337.76x = 12,886.24 × 5,359.20
4. Step 4: Simplify right side
   9,337.76x = 69,059,937.41
5. Step 5: Solve for x
   x = 69,059,937.41/9,337.76
6. Step 6: Final answer
   x = 7,395.77