Finding the Fourth Proportional to 9,103.68, 12,560.16 and 5,376.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.68 : 12,560.16 = 5,376.96 : x
2. Step 2: Convert to fraction form
   9,103.68/12,560.16 = 5,376.96/x
3. Step 3: Cross multiply
   9,103.68x = 12,560.16 × 5,376.96
4. Step 4: Simplify right side
   9,103.68x = 67,535,477.91
5. Step 5: Solve for x
   x = 67,535,477.91/9,103.68
6. Step 6: Final answer
   x = 7,418.48