Finding the Fourth Proportional to 10,117.59, 15,174.54 and 2,720.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,117.59 : 15,174.54 = 2,720.32 : x
2. Step 2: Convert to fraction form
   10,117.59/15,174.54 = 2,720.32/x
3. Step 3: Cross multiply
   10,117.59x = 15,174.54 × 2,720.32
4. Step 4: Simplify right side
   10,117.59x = 41,279,566.72
5. Step 5: Solve for x
   x = 41,279,566.72/10,117.59
6. Step 6: Final answer
   x = 4,079.98