Finding the Fourth Proportional to 8,256.12, 12,384.54 and 3,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,256.12 : 12,384.54 = 3,061.50 : x
2. Step 2: Convert to fraction form
   8,256.12/12,384.54 = 3,061.50/x
3. Step 3: Cross multiply
   8,256.12x = 12,384.54 × 3,061.50
4. Step 4: Simplify right side
   8,256.12x = 37,915,269.21
5. Step 5: Solve for x
   x = 37,915,269.21/8,256.12
6. Step 6: Final answer
   x = 4,592.38