Finding the Fourth Proportional to 10,056.42, 15,086.80 and 3,393.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.42 : 15,086.80 = 3,393.59 : x
2. Step 2: Convert to fraction form
   10,056.42/15,086.80 = 3,393.59/x
3. Step 3: Cross multiply
   10,056.42x = 15,086.80 × 3,393.59
4. Step 4: Simplify right side
   10,056.42x = 51,198,413.61
5. Step 5: Solve for x
   x = 51,198,413.61/10,056.42
6. Step 6: Final answer
   x = 5,091.12