Finding the Fourth Proportional to 144,562.38, 199,686.69 and 110,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,562.38 : 199,686.69 = 110,985.72 : x
2. Step 2: Convert to fraction form
   144,562.38/199,686.69 = 110,985.72/x
3. Step 3: Cross multiply
   144,562.38x = 199,686.69 × 110,985.72
4. Step 4: Simplify right side
   144,562.38x = 22,162,371,064.07
5. Step 5: Solve for x
   x = 22,162,371,064.07/144,562.38
6. Step 6: Final answer
   x = 153,306.63