Finding the Fourth Proportional to 103,514.29, 155,413.59 and 53,628.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,514.29 : 155,413.59 = 53,628.82 : x
2. Step 2: Convert to fraction form
   103,514.29/155,413.59 = 53,628.82/x
3. Step 3: Cross multiply
   103,514.29x = 155,413.59 × 53,628.82
4. Step 4: Simplify right side
   103,514.29x = 8,334,646,854.02
5. Step 5: Solve for x
   x = 8,334,646,854.02/103,514.29
6. Step 6: Final answer
   x = 80,516.87