Finding the Fourth Proportional to 9,946.74, 13,726.83 and 5,470.65

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.74 : 13,726.83 = 5,470.65 : x
2. Step 2: Convert to fraction form
   9,946.74/13,726.83 = 5,470.65/x
3. Step 3: Cross multiply
   9,946.74x = 13,726.83 × 5,470.65
4. Step 4: Simplify right side
   9,946.74x = 75,094,682.54
5. Step 5: Solve for x
   x = 75,094,682.54/9,946.74
6. Step 6: Final answer
   x = 7,549.68