Finding the Fourth Proportional to 8,312.12, 12,468.16 and 2,468.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,312.12 : 12,468.16 = 2,468.72 : x
2. Step 2: Convert to fraction form
   8,312.12/12,468.16 = 2,468.72/x
3. Step 3: Cross multiply
   8,312.12x = 12,468.16 × 2,468.72
4. Step 4: Simplify right side
   8,312.12x = 30,780,395.96
5. Step 5: Solve for x
   x = 30,780,395.96/8,312.12
6. Step 6: Final answer
   x = 3,703.07