Finding the Fourth Proportional to 9,946.67, 13,726.73 and 5,470.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.67 : 13,726.73 = 5,470.61 : x
2. Step 2: Convert to fraction form
   9,946.67/13,726.73 = 5,470.61/x
3. Step 3: Cross multiply
   9,946.67x = 13,726.73 × 5,470.61
4. Step 4: Simplify right side
   9,946.67x = 75,093,531.45
5. Step 5: Solve for x
   x = 75,093,531.45/9,946.67
6. Step 6: Final answer
   x = 7,549.62