Finding the Fourth Proportional to 105,005.82, 144,818.70 and 88,732.74

Step by Step Solution

1. Step 1: Write the proportion equation
   105,005.82 : 144,818.70 = 88,732.74 : x
2. Step 2: Convert to fraction form
   105,005.82/144,818.70 = 88,732.74/x
3. Step 3: Cross multiply
   105,005.82x = 144,818.70 × 88,732.74
4. Step 4: Simplify right side
   105,005.82x = 12,850,160,054.24
5. Step 5: Solve for x
   x = 12,850,160,054.24/105,005.82
6. Step 6: Final answer
   x = 122,375.69