Finding the Fourth Proportional to 144,781, 217,118.24 and 49,987.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,781 : 217,118.24 = 49,987.10 : x
2. Step 2: Convert to fraction form
   144,781/217,118.24 = 49,987.10/x
3. Step 3: Cross multiply
   144,781x = 217,118.24 × 49,987.10
4. Step 4: Simplify right side
   144,781x = 10,853,111,174.70
5. Step 5: Solve for x
   x = 10,853,111,174.70/144,781
6. Step 6: Final answer
   x = 74,962.26