Finding the Fourth Proportional to 11,922.01, 17,882.71 and 5,686.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,922.01 : 17,882.71 = 5,686.43 : x
2. Step 2: Convert to fraction form
   11,922.01/17,882.71 = 5,686.43/x
3. Step 3: Cross multiply
   11,922.01x = 17,882.71 × 5,686.43
4. Step 4: Simplify right side
   11,922.01x = 101,688,675.00
5. Step 5: Solve for x
   x = 101,688,675.00/11,922.01
6. Step 6: Final answer
   x = 8,529.49