Finding the Fourth Proportional to 10,280.13, 15,422.49 and 3,706.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.13 : 15,422.49 = 3,706.35 : x
2. Step 2: Convert to fraction form
   10,280.13/15,422.49 = 3,706.35/x
3. Step 3: Cross multiply
   10,280.13x = 15,422.49 × 3,706.35
4. Step 4: Simplify right side
   10,280.13x = 57,161,145.81
5. Step 5: Solve for x
   x = 57,161,145.81/10,280.13
6. Step 6: Final answer
   x = 5,560.35