Finding the Fourth Proportional to 10,345.59, 15,522.14 and 5,080.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.59 : 15,522.14 = 5,080.04 : x
2. Step 2: Convert to fraction form
   10,345.59/15,522.14 = 5,080.04/x
3. Step 3: Cross multiply
   10,345.59x = 15,522.14 × 5,080.04
4. Step 4: Simplify right side
   10,345.59x = 78,853,092.09
5. Step 5: Solve for x
   x = 78,853,092.09/10,345.59
6. Step 6: Final answer
   x = 7,621.90