Finding the Fourth Proportional to 12,340.68, 18,481.34 and 7,059.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,340.68 : 18,481.34 = 7,059.69 : x
2. Step 2: Convert to fraction form
   12,340.68/18,481.34 = 7,059.69/x
3. Step 3: Cross multiply
   12,340.68x = 18,481.34 × 7,059.69
4. Step 4: Simplify right side
   12,340.68x = 130,472,495.89
5. Step 5: Solve for x
   x = 130,472,495.89/12,340.68
6. Step 6: Final answer
   x = 10,572.55