Finding the Fourth Proportional to 12,111.52, 18,142.56 and 5,852.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.52 : 18,142.56 = 5,852.64 : x
2. Step 2: Convert to fraction form
   12,111.52/18,142.56 = 5,852.64/x
3. Step 3: Cross multiply
   12,111.52x = 18,142.56 × 5,852.64
4. Step 4: Simplify right side
   12,111.52x = 106,181,872.36
5. Step 5: Solve for x
   x = 106,181,872.36/12,111.52
6. Step 6: Final answer
   x = 8,767.01