Finding the Fourth Proportional to 10,265.53, 15,404.39 and 4,342.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.53 : 15,404.39 = 4,342.10 : x
2. Step 2: Convert to fraction form
   10,265.53/15,404.39 = 4,342.10/x
3. Step 3: Cross multiply
   10,265.53x = 15,404.39 × 4,342.10
4. Step 4: Simplify right side
   10,265.53x = 66,887,401.82
5. Step 5: Solve for x
   x = 66,887,401.82/10,265.53
6. Step 6: Final answer
   x = 6,515.73