Finding the Fourth Proportional to 16,780.38, 25,174.62 and 5,094.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,780.38 : 25,174.62 = 5,094.78 : x
2. Step 2: Convert to fraction form
   16,780.38/25,174.62 = 5,094.78/x
3. Step 3: Cross multiply
   16,780.38x = 25,174.62 × 5,094.78
4. Step 4: Simplify right side
   16,780.38x = 128,259,150.48
5. Step 5: Solve for x
   x = 128,259,150.48/16,780.38
6. Step 6: Final answer
   x = 7,643.40