Finding the Fourth Proportional to 105,883.34, 146,119.16 and 58,139.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,883.34 : 146,119.16 = 58,139.73 : x
2. Step 2: Convert to fraction form
   105,883.34/146,119.16 = 58,139.73/x
3. Step 3: Cross multiply
   105,883.34x = 146,119.16 × 58,139.73
4. Step 4: Simplify right side
   105,883.34x = 8,495,328,655.58
5. Step 5: Solve for x
   x = 8,495,328,655.58/105,883.34
6. Step 6: Final answer
   x = 80,232.92