Finding the Fourth Proportional to 105,807.44, 146,013.87 and 58,061.59

Step by Step Solution

1. Step 1: Write the proportion equation
   105,807.44 : 146,013.87 = 58,061.59 : x
2. Step 2: Convert to fraction form
   105,807.44/146,013.87 = 58,061.59/x
3. Step 3: Cross multiply
   105,807.44x = 146,013.87 × 58,061.59
4. Step 4: Simplify right side
   105,807.44x = 8,477,797,454.25
5. Step 5: Solve for x
   x = 8,477,797,454.25/105,807.44
6. Step 6: Final answer
   x = 80,124.78