Finding the Fourth Proportional to 144,494.48, 216,687.95 and 49,698.05

Step by Step Solution

1. Step 1: Write the proportion equation
   144,494.48 : 216,687.95 = 49,698.05 : x
2. Step 2: Convert to fraction form
   144,494.48/216,687.95 = 49,698.05/x
3. Step 3: Cross multiply
   144,494.48x = 216,687.95 × 49,698.05
4. Step 4: Simplify right side
   144,494.48x = 10,768,968,573.50
5. Step 5: Solve for x
   x = 10,768,968,573.50/144,494.48
6. Step 6: Final answer
   x = 74,528.58