Finding the Fourth Proportional to 9,192.72, 12,686.04 and 5,466

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192.72 : 12,686.04 = 5,466 : x
2. Step 2: Convert to fraction form
   9,192.72/12,686.04 = 5,466/x
3. Step 3: Cross multiply
   9,192.72x = 12,686.04 × 5,466
4. Step 4: Simplify right side
   9,192.72x = 69,341,894.64
5. Step 5: Solve for x
   x = 69,341,894.64/9,192.72
6. Step 6: Final answer
   x = 7,543.13