Finding the Fourth Proportional to 105,871.76, 146,104.24 and 58,124.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,871.76 : 146,104.24 = 58,124.08 : x
2. Step 2: Convert to fraction form
   105,871.76/146,104.24 = 58,124.08/x
3. Step 3: Cross multiply
   105,871.76x = 146,104.24 × 58,124.08
4. Step 4: Simplify right side
   105,871.76x = 8,492,173,803.58
5. Step 5: Solve for x
   x = 8,492,173,803.58/105,871.76
6. Step 6: Final answer
   x = 80,211.89