Finding the Fourth Proportional to 10,285.59, 15,419.04 and 3,707.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,285.59 : 15,419.04 = 3,707.10 : x
2. Step 2: Convert to fraction form
   10,285.59/15,419.04 = 3,707.10/x
3. Step 3: Cross multiply
   10,285.59x = 15,419.04 × 3,707.10
4. Step 4: Simplify right side
   10,285.59x = 57,159,923.18
5. Step 5: Solve for x
   x = 57,159,923.18/10,285.59
6. Step 6: Final answer
   x = 5,557.28