Finding the Fourth Proportional to 8,308.59, 12,459.38 and 3,374.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.59 : 12,459.38 = 3,374.75 : x
2. Step 2: Convert to fraction form
   8,308.59/12,459.38 = 3,374.75/x
3. Step 3: Cross multiply
   8,308.59x = 12,459.38 × 3,374.75
4. Step 4: Simplify right side
   8,308.59x = 42,047,213.48
5. Step 5: Solve for x
   x = 42,047,213.48/8,308.59
6. Step 6: Final answer
   x = 5,060.69