Finding the Fourth Proportional to 10,091.88, 15,133.68 and 5,940.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,091.88 : 15,133.68 = 5,940.18 : x
2. Step 2: Convert to fraction form
   10,091.88/15,133.68 = 5,940.18/x
3. Step 3: Cross multiply
   10,091.88x = 15,133.68 × 5,940.18
4. Step 4: Simplify right side
   10,091.88x = 89,896,783.26
5. Step 5: Solve for x
   x = 89,896,783.26/10,091.88
6. Step 6: Final answer
   x = 8,907.83