Finding the Fourth Proportional to 57,114.58, 85,680.06 and 17,674.78

Step by Step Solution

1. Step 1: Write the proportion equation
   57,114.58 : 85,680.06 = 17,674.78 : x
2. Step 2: Convert to fraction form
   57,114.58/85,680.06 = 17,674.78/x
3. Step 3: Cross multiply
   57,114.58x = 85,680.06 × 17,674.78
4. Step 4: Simplify right side
   57,114.58x = 1,514,376,210.89
5. Step 5: Solve for x
   x = 1,514,376,210.89/57,114.58
6. Step 6: Final answer
   x = 26,514.70