Finding the Fourth Proportional to 12,066.75, 18,100.71 and 5,488.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,066.75 : 18,100.71 = 5,488.74 : x
2. Step 2: Convert to fraction form
   12,066.75/18,100.71 = 5,488.74/x
3. Step 3: Cross multiply
   12,066.75x = 18,100.71 × 5,488.74
4. Step 4: Simplify right side
   12,066.75x = 99,350,091.01
5. Step 5: Solve for x
   x = 99,350,091.01/12,066.75
6. Step 6: Final answer
   x = 8,233.38