Finding the Fourth Proportional to 15,091.15, 22,629.12 and 5,227.78

Step by Step Solution

1. Step 1: Write the proportion equation
   15,091.15 : 22,629.12 = 5,227.78 : x
2. Step 2: Convert to fraction form
   15,091.15/22,629.12 = 5,227.78/x
3. Step 3: Cross multiply
   15,091.15x = 22,629.12 × 5,227.78
4. Step 4: Simplify right side
   15,091.15x = 118,300,060.95
5. Step 5: Solve for x
   x = 118,300,060.95/15,091.15
6. Step 6: Final answer
   x = 7,839.04