Finding the Fourth Proportional to 144,574.74, 216,820.50 and 49,801.10

Step by Step Solution

1. Step 1: Write the proportion equation
   144,574.74 : 216,820.50 = 49,801.10 : x
2. Step 2: Convert to fraction form
   144,574.74/216,820.50 = 49,801.10/x
3. Step 3: Cross multiply
   144,574.74x = 216,820.50 × 49,801.10
4. Step 4: Simplify right side
   144,574.74x = 10,797,898,318.45
5. Step 5: Solve for x
   x = 10,797,898,318.45/144,574.74
6. Step 6: Final answer
   x = 74,687.31