Finding the Fourth Proportional to 12,342.02, 18,521.23 and 5,768.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342.02 : 18,521.23 = 5,768.72 : x
2. Step 2: Convert to fraction form
   12,342.02/18,521.23 = 5,768.72/x
3. Step 3: Cross multiply
   12,342.02x = 18,521.23 × 5,768.72
4. Step 4: Simplify right side
   12,342.02x = 106,843,789.93
5. Step 5: Solve for x
   x = 106,843,789.93/12,342.02
6. Step 6: Final answer
   x = 8,656.91