Finding the Fourth Proportional to 10,079.64, 13,909.52 and 5,603.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.64 : 13,909.52 = 5,603.18 : x
2. Step 2: Convert to fraction form
   10,079.64/13,909.52 = 5,603.18/x
3. Step 3: Cross multiply
   10,079.64x = 13,909.52 × 5,603.18
4. Step 4: Simplify right side
   10,079.64x = 77,937,488.73
5. Step 5: Solve for x
   x = 77,937,488.73/10,079.64
6. Step 6: Final answer
   x = 7,732.17