Finding the Fourth Proportional to 25,356.83, 34,955.33 and 17,780.31

Step by Step Solution

1. Step 1: Write the proportion equation
   25,356.83 : 34,955.33 = 17,780.31 : x
2. Step 2: Convert to fraction form
   25,356.83/34,955.33 = 17,780.31/x
3. Step 3: Cross multiply
   25,356.83x = 34,955.33 × 17,780.31
4. Step 4: Simplify right side
   25,356.83x = 621,516,514.65
5. Step 5: Solve for x
   x = 621,516,514.65/25,356.83
6. Step 6: Final answer
   x = 24,510.82