Finding the Fourth Proportional to 10,080.32, 13,910.80 and 5,603.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.32 : 13,910.80 = 5,603.81 : x
2. Step 2: Convert to fraction form
   10,080.32/13,910.80 = 5,603.81/x
3. Step 3: Cross multiply
   10,080.32x = 13,910.80 × 5,603.81
4. Step 4: Simplify right side
   10,080.32x = 77,953,454.10
5. Step 5: Solve for x
   x = 77,953,454.10/10,080.32
6. Step 6: Final answer
   x = 7,733.23