Finding the Fourth Proportional to 10,490.47, 15,736.76 and 3,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.47 : 15,736.76 = 3,470.50 : x
2. Step 2: Convert to fraction form
   10,490.47/15,736.76 = 3,470.50/x
3. Step 3: Cross multiply
   10,490.47x = 15,736.76 × 3,470.50
4. Step 4: Simplify right side
   10,490.47x = 54,614,425.58
5. Step 5: Solve for x
   x = 54,614,425.58/10,490.47
6. Step 6: Final answer
   x = 5,206.10