Finding the Fourth Proportional to 175,648.52, 263,514.69 and 57,320.07

Step by Step Solution

1. Step 1: Write the proportion equation
   175,648.52 : 263,514.69 = 57,320.07 : x
2. Step 2: Convert to fraction form
   175,648.52/263,514.69 = 57,320.07/x
3. Step 3: Cross multiply
   175,648.52x = 263,514.69 × 57,320.07
4. Step 4: Simplify right side
   175,648.52x = 15,104,680,476.83
5. Step 5: Solve for x
   x = 15,104,680,476.83/175,648.52
6. Step 6: Final answer
   x = 85,993.78