Finding the Fourth Proportional to 9,947.04, 13,726.92 and 5,470.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.04 : 13,726.92 = 5,470.74 : x
2. Step 2: Convert to fraction form
   9,947.04/13,726.92 = 5,470.74/x
3. Step 3: Cross multiply
   9,947.04x = 13,726.92 × 5,470.74
4. Step 4: Simplify right side
   9,947.04x = 75,096,410.32
5. Step 5: Solve for x
   x = 75,096,410.32/9,947.04
6. Step 6: Final answer
   x = 7,549.62