Finding the Fourth Proportional to 74,131.54, 111,223.42 and 49,270.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,131.54 : 111,223.42 = 49,270.30 : x
2. Step 2: Convert to fraction form
   74,131.54/111,223.42 = 49,270.30/x
3. Step 3: Cross multiply
   74,131.54x = 111,223.42 × 49,270.30
4. Step 4: Simplify right side
   74,131.54x = 5,480,011,270.43
5. Step 5: Solve for x
   x = 5,480,011,270.43/74,131.54
6. Step 6: Final answer
   x = 73,922.80