Finding the Fourth Proportional to 208,778.27, 313,128.05 and 59,017.37

Step by Step Solution

1. Step 1: Write the proportion equation
   208,778.27 : 313,128.05 = 59,017.37 : x
2. Step 2: Convert to fraction form
   208,778.27/313,128.05 = 59,017.37/x
3. Step 3: Cross multiply
   208,778.27x = 313,128.05 × 59,017.37
4. Step 4: Simplify right side
   208,778.27x = 18,479,992,123.50
5. Step 5: Solve for x
   x = 18,479,992,123.50/208,778.27
6. Step 6: Final answer
   x = 88,514.92