Finding the Fourth Proportional to 10,080.84, 13,910.70 and 5,603.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.84 : 13,910.70 = 5,603.16 : x
2. Step 2: Convert to fraction form
   10,080.84/13,910.70 = 5,603.16/x
3. Step 3: Cross multiply
   10,080.84x = 13,910.70 × 5,603.16
4. Step 4: Simplify right side
   10,080.84x = 77,943,877.81
5. Step 5: Solve for x
   x = 77,943,877.81/10,080.84
6. Step 6: Final answer
   x = 7,731.88