Finding the Fourth Proportional to 12,461.58, 18,695.82 and 5,440.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.58 : 18,695.82 = 5,440.32 : x
2. Step 2: Convert to fraction form
   12,461.58/18,695.82 = 5,440.32/x
3. Step 3: Cross multiply
   12,461.58x = 18,695.82 × 5,440.32
4. Step 4: Simplify right side
   12,461.58x = 101,711,243.46
5. Step 5: Solve for x
   x = 101,711,243.46/12,461.58
6. Step 6: Final answer
   x = 8,161.99