Finding the Fourth Proportional to 105,820.98, 146,028.15 and 58,073.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.98 : 146,028.15 = 58,073.37 : x
2. Step 2: Convert to fraction form
   105,820.98/146,028.15 = 58,073.37/x
3. Step 3: Cross multiply
   105,820.98x = 146,028.15 × 58,073.37
4. Step 4: Simplify right side
   105,820.98x = 8,480,346,785.37
5. Step 5: Solve for x
   x = 8,480,346,785.37/105,820.98
6. Step 6: Final answer
   x = 80,138.62