Finding the Fourth Proportional to 10,314.90, 15,475.98 and 4,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,314.90 : 15,475.98 = 4,470.72 : x
2. Step 2: Convert to fraction form
   10,314.90/15,475.98 = 4,470.72/x
3. Step 3: Cross multiply
   10,314.90x = 15,475.98 × 4,470.72
4. Step 4: Simplify right side
   10,314.90x = 69,188,773.31
5. Step 5: Solve for x
   x = 69,188,773.31/10,314.90
6. Step 6: Final answer
   x = 6,707.65