Finding the Fourth Proportional to 8,870.86, 12,241.78 and 4,892.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.86 : 12,241.78 = 4,892.22 : x
2. Step 2: Convert to fraction form
   8,870.86/12,241.78 = 4,892.22/x
3. Step 3: Cross multiply
   8,870.86x = 12,241.78 × 4,892.22
4. Step 4: Simplify right side
   8,870.86x = 59,889,480.95
5. Step 5: Solve for x
   x = 59,889,480.95/8,870.86
6. Step 6: Final answer
   x = 6,751.26