Finding the Fourth Proportional to 8,870.75, 12,238.19 and 5,092.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.75 : 12,238.19 = 5,092.55 : x
2. Step 2: Convert to fraction form
   8,870.75/12,238.19 = 5,092.55/x
3. Step 3: Cross multiply
   8,870.75x = 12,238.19 × 5,092.55
4. Step 4: Simplify right side
   8,870.75x = 62,323,507.83
5. Step 5: Solve for x
   x = 62,323,507.83/8,870.75
6. Step 6: Final answer
   x = 7,025.74