Finding the Fourth Proportional to 108,406.71, 162,679.46 and 58,521.54

Step by Step Solution

1. Step 1: Write the proportion equation
   108,406.71 : 162,679.46 = 58,521.54 : x
2. Step 2: Convert to fraction form
   108,406.71/162,679.46 = 58,521.54/x
3. Step 3: Cross multiply
   108,406.71x = 162,679.46 × 58,521.54
4. Step 4: Simplify right side
   108,406.71x = 9,520,252,525.57
5. Step 5: Solve for x
   x = 9,520,252,525.57/108,406.71
6. Step 6: Final answer
   x = 87,819.77