Finding the Fourth Proportional to 12,308.05, 18,461.46 and 4,516.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.05 : 18,461.46 = 4,516.25 : x
2. Step 2: Convert to fraction form
   12,308.05/18,461.46 = 4,516.25/x
3. Step 3: Cross multiply
   12,308.05x = 18,461.46 × 4,516.25
4. Step 4: Simplify right side
   12,308.05x = 83,376,568.73
5. Step 5: Solve for x
   x = 83,376,568.73/12,308.05
6. Step 6: Final answer
   x = 6,774.15