Finding the Fourth Proportional to 105,984.15, 146,258.10 and 58,240.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,984.15 : 146,258.10 = 58,240.59 : x
2. Step 2: Convert to fraction form
   105,984.15/146,258.10 = 58,240.59/x
3. Step 3: Cross multiply
   105,984.15x = 146,258.10 × 58,240.59
4. Step 4: Simplify right side
   105,984.15x = 8,518,158,036.28
5. Step 5: Solve for x
   x = 8,518,158,036.28/105,984.15
6. Step 6: Final answer
   x = 80,372.00