Finding the Fourth Proportional to 8,100.74, 12,148.74 and 2,834.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.74 : 12,148.74 = 2,834.78 : x
2. Step 2: Convert to fraction form
   8,100.74/12,148.74 = 2,834.78/x
3. Step 3: Cross multiply
   8,100.74x = 12,148.74 × 2,834.78
4. Step 4: Simplify right side
   8,100.74x = 34,439,005.18
5. Step 5: Solve for x
   x = 34,439,005.18/8,100.74
6. Step 6: Final answer
   x = 4,251.34