Finding the Fourth Proportional to 49,648.38, 74,449.17 and 18,036.15

Step by Step Solution

1. Step 1: Write the proportion equation
   49,648.38 : 74,449.17 = 18,036.15 : x
2. Step 2: Convert to fraction form
   49,648.38/74,449.17 = 18,036.15/x
3. Step 3: Cross multiply
   49,648.38x = 74,449.17 × 18,036.15
4. Step 4: Simplify right side
   49,648.38x = 1,342,776,442.59
5. Step 5: Solve for x
   x = 1,342,776,442.59/49,648.38
6. Step 6: Final answer
   x = 27,045.73