Finding the Fourth Proportional to 10,280.71, 15,416.25 and 3,706.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,280.71 : 15,416.25 = 3,706.03 : x
2. Step 2: Convert to fraction form
   10,280.71/15,416.25 = 3,706.03/x
3. Step 3: Cross multiply
   10,280.71x = 15,416.25 × 3,706.03
4. Step 4: Simplify right side
   10,280.71x = 57,133,084.99
5. Step 5: Solve for x
   x = 57,133,084.99/10,280.71
6. Step 6: Final answer
   x = 5,557.31