Finding the Fourth Proportional to 9,726.83, 13,422.34 and 5,476.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.83 : 13,422.34 = 5,476.56 : x
2. Step 2: Convert to fraction form
   9,726.83/13,422.34 = 5,476.56/x
3. Step 3: Cross multiply
   9,726.83x = 13,422.34 × 5,476.56
4. Step 4: Simplify right side
   9,726.83x = 73,508,250.35
5. Step 5: Solve for x
   x = 73,508,250.35/9,726.83
6. Step 6: Final answer
   x = 7,557.27