Finding the Fourth Proportional to 22,870.02, 34,293.76 and 8,076.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,870.02 : 34,293.76 = 8,076.78 : x
2. Step 2: Convert to fraction form
   22,870.02/34,293.76 = 8,076.78/x
3. Step 3: Cross multiply
   22,870.02x = 34,293.76 × 8,076.78
4. Step 4: Simplify right side
   22,870.02x = 276,983,154.89
5. Step 5: Solve for x
   x = 276,983,154.89/22,870.02
6. Step 6: Final answer
   x = 12,111.19