Finding the Fourth Proportional to 9,353.52, 12,905.52 and 5,375.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.52 : 12,905.52 = 5,375.76 : x
2. Step 2: Convert to fraction form
   9,353.52/12,905.52 = 5,375.76/x
3. Step 3: Cross multiply
   9,353.52x = 12,905.52 × 5,375.76
4. Step 4: Simplify right side
   9,353.52x = 69,376,978.20
5. Step 5: Solve for x
   x = 69,376,978.20/9,353.52
6. Step 6: Final answer
   x = 7,417.21