Finding the Fourth Proportional to 74,086.48, 111,017.47 and 49,036.79

Step by Step Solution

1. Step 1: Write the proportion equation
   74,086.48 : 111,017.47 = 49,036.79 : x
2. Step 2: Convert to fraction form
   74,086.48/111,017.47 = 49,036.79/x
3. Step 3: Cross multiply
   74,086.48x = 111,017.47 × 49,036.79
4. Step 4: Simplify right side
   74,086.48x = 5,443,940,522.46
5. Step 5: Solve for x
   x = 5,443,940,522.46/74,086.48
6. Step 6: Final answer
   x = 73,480.89