Finding the Fourth Proportional to 16,764.75, 25,146.72 and 8,442.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.75 : 25,146.72 = 8,442.52 : x
2. Step 2: Convert to fraction form
   16,764.75/25,146.72 = 8,442.52/x
3. Step 3: Cross multiply
   16,764.75x = 25,146.72 × 8,442.52
4. Step 4: Simplify right side
   16,764.75x = 212,301,686.53
5. Step 5: Solve for x
   x = 212,301,686.53/16,764.75
6. Step 6: Final answer
   x = 12,663.58