Finding the Fourth Proportional to 18,490.18, 25,516.61 and 17,077.52

Step by Step Solution

1. Step 1: Write the proportion equation
   18,490.18 : 25,516.61 = 17,077.52 : x
2. Step 2: Convert to fraction form
   18,490.18/25,516.61 = 17,077.52/x
3. Step 3: Cross multiply
   18,490.18x = 25,516.61 × 17,077.52
4. Step 4: Simplify right side
   18,490.18x = 435,760,332.72
5. Step 5: Solve for x
   x = 435,760,332.72/18,490.18
6. Step 6: Final answer
   x = 23,567.12