Finding the Fourth Proportional to 45,540.74, 68,341.98 and 15,959

Step by Step Solution

1. Step 1: Write the proportion equation
   45,540.74 : 68,341.98 = 15,959 : x
2. Step 2: Convert to fraction form
   45,540.74/68,341.98 = 15,959/x
3. Step 3: Cross multiply
   45,540.74x = 68,341.98 × 15,959
4. Step 4: Simplify right side
   45,540.74x = 1,090,669,658.82
5. Step 5: Solve for x
   x = 1,090,669,658.82/45,540.74
6. Step 6: Final answer
   x = 23,949.32