Finding the Fourth Proportional to 9,726.72, 13,424.07 and 5,534.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,726.72 : 13,424.07 = 5,534.16 : x
2. Step 2: Convert to fraction form
   9,726.72/13,424.07 = 5,534.16/x
3. Step 3: Cross multiply
   9,726.72x = 13,424.07 × 5,534.16
4. Step 4: Simplify right side
   9,726.72x = 74,290,951.23
5. Step 5: Solve for x
   x = 74,290,951.23/9,726.72
6. Step 6: Final answer
   x = 7,637.82