Finding the Fourth Proportional to 105,013.34, 144,876.06 and 60,781.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,013.34 : 144,876.06 = 60,781.84 : x
2. Step 2: Convert to fraction form
   105,013.34/144,876.06 = 60,781.84/x
3. Step 3: Cross multiply
   105,013.34x = 144,876.06 × 60,781.84
4. Step 4: Simplify right side
   105,013.34x = 8,805,833,755.82
5. Step 5: Solve for x
   x = 8,805,833,755.82/105,013.34
6. Step 6: Final answer
   x = 83,854.43