Finding the Fourth Proportional to 9,946.77, 13,726.55 and 5,470.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.77 : 13,726.55 = 5,470.83 : x
2. Step 2: Convert to fraction form
   9,946.77/13,726.55 = 5,470.83/x
3. Step 3: Cross multiply
   9,946.77x = 13,726.55 × 5,470.83
4. Step 4: Simplify right side
   9,946.77x = 75,095,539.23
5. Step 5: Solve for x
   x = 75,095,539.23/9,946.77
6. Step 6: Final answer
   x = 7,549.74