Finding the Fourth Proportional to 16,764.32, 25,146.68 and 5,078.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,764.32 : 25,146.68 = 5,078.04 : x
2. Step 2: Convert to fraction form
   16,764.32/25,146.68 = 5,078.04/x
3. Step 3: Cross multiply
   16,764.32x = 25,146.68 × 5,078.04
4. Step 4: Simplify right side
   16,764.32x = 127,695,821.52
5. Step 5: Solve for x
   x = 127,695,821.52/16,764.32
6. Step 6: Final answer
   x = 7,617.12