Finding the Fourth Proportional to 144,493.98, 216,687.20 and 49,697.55

Step by Step Solution

1. Step 1: Write the proportion equation
   144,493.98 : 216,687.20 = 49,697.55 : x
2. Step 2: Convert to fraction form
   144,493.98/216,687.20 = 49,697.55/x
3. Step 3: Cross multiply
   144,493.98x = 216,687.20 × 49,697.55
4. Step 4: Simplify right side
   144,493.98x = 10,768,822,987.42
5. Step 5: Solve for x
   x = 10,768,822,987.42/144,493.98
6. Step 6: Final answer
   x = 74,527.83