Finding the Fourth Proportional to 105,921.51, 146,196.89 and 60,625.63

Step by Step Solution

1. Step 1: Write the proportion equation
   105,921.51 : 146,196.89 = 60,625.63 : x
2. Step 2: Convert to fraction form
   105,921.51/146,196.89 = 60,625.63/x
3. Step 3: Cross multiply
   105,921.51x = 146,196.89 × 60,625.63
4. Step 4: Simplify right side
   105,921.51x = 8,863,278,560.29
5. Step 5: Solve for x
   x = 8,863,278,560.29/105,921.51
6. Step 6: Final answer
   x = 83,677.80