Finding the Fourth Proportional to 8,258.10, 12,375.88 and 3,510.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,258.10 : 12,375.88 = 3,510.30 : x
2. Step 2: Convert to fraction form
   8,258.10/12,375.88 = 3,510.30/x
3. Step 3: Cross multiply
   8,258.10x = 12,375.88 × 3,510.30
4. Step 4: Simplify right side
   8,258.10x = 43,443,051.56
5. Step 5: Solve for x
   x = 43,443,051.56/8,258.10
6. Step 6: Final answer
   x = 5,260.66