Finding the Fourth Proportional to 10,039.20, 15,061.38 and 3,465.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,039.20 : 15,061.38 = 3,465.42 : x
2. Step 2: Convert to fraction form
   10,039.20/15,061.38 = 3,465.42/x
3. Step 3: Cross multiply
   10,039.20x = 15,061.38 × 3,465.42
4. Step 4: Simplify right side
   10,039.20x = 52,194,007.48
5. Step 5: Solve for x
   x = 52,194,007.48/10,039.20
6. Step 6: Final answer
   x = 5,199.02