Finding the Fourth Proportional to 91,596.02, 137,413.74 and 28,414.88

Step by Step Solution

1. Step 1: Write the proportion equation
   91,596.02 : 137,413.74 = 28,414.88 : x
2. Step 2: Convert to fraction form
   91,596.02/137,413.74 = 28,414.88/x
3. Step 3: Cross multiply
   91,596.02x = 137,413.74 × 28,414.88
4. Step 4: Simplify right side
   91,596.02x = 3,904,594,932.45
5. Step 5: Solve for x
   x = 3,904,594,932.45/91,596.02
6. Step 6: Final answer
   x = 42,628.43