Finding the Fourth Proportional to 8,574.93, 12,851.80 and 5,061.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,574.93 : 12,851.80 = 5,061.38 : x
2. Step 2: Convert to fraction form
   8,574.93/12,851.80 = 5,061.38/x
3. Step 3: Cross multiply
   8,574.93x = 12,851.80 × 5,061.38
4. Step 4: Simplify right side
   8,574.93x = 65,047,766.57
5. Step 5: Solve for x
   x = 65,047,766.57/8,574.93
6. Step 6: Final answer
   x = 7,585.81