Finding the Fourth Proportional to 105,811.84, 146,014.52 and 58,061.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,811.84 : 146,014.52 = 58,061.42 : x
2. Step 2: Convert to fraction form
   105,811.84/146,014.52 = 58,061.42/x
3. Step 3: Cross multiply
   105,811.84x = 146,014.52 × 58,061.42
4. Step 4: Simplify right side
   105,811.84x = 8,477,810,371.82
5. Step 5: Solve for x
   x = 8,477,810,371.82/105,811.84
6. Step 6: Final answer
   x = 80,121.57