Finding the Fourth Proportional to 10,079.91, 13,910.76 and 5,603.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,079.91 : 13,910.76 = 5,603.74 : x
2. Step 2: Convert to fraction form
   10,079.91/13,910.76 = 5,603.74/x
3. Step 3: Cross multiply
   10,079.91x = 13,910.76 × 5,603.74
4. Step 4: Simplify right side
   10,079.91x = 77,952,282.24
5. Step 5: Solve for x
   x = 77,952,282.24/10,079.91
6. Step 6: Final answer
   x = 7,733.43