Finding the Fourth Proportional to 9,081.54, 12,529.53 and 5,543.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.54 : 12,529.53 = 5,543.46 : x
2. Step 2: Convert to fraction form
   9,081.54/12,529.53 = 5,543.46/x
3. Step 3: Cross multiply
   9,081.54x = 12,529.53 × 5,543.46
4. Step 4: Simplify right side
   9,081.54x = 69,456,948.37
5. Step 5: Solve for x
   x = 69,456,948.37/9,081.54
6. Step 6: Final answer
   x = 7,648.15