Finding the Fourth Proportional to 9,946.75, 13,726.86 and 5,470.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.75 : 13,726.86 = 5,470.84 : x
2. Step 2: Convert to fraction form
   9,946.75/13,726.86 = 5,470.84/x
3. Step 3: Cross multiply
   9,946.75x = 13,726.86 × 5,470.84
4. Step 4: Simplify right side
   9,946.75x = 75,097,454.76
5. Step 5: Solve for x
   x = 75,097,454.76/9,946.75
6. Step 6: Final answer
   x = 7,549.95