Finding the Fourth Proportional to 101,615.98, 140,231.46 and 58,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,615.98 : 140,231.46 = 58,594.72 : x
2. Step 2: Convert to fraction form
   101,615.98/140,231.46 = 58,594.72/x
3. Step 3: Cross multiply
   101,615.98x = 140,231.46 × 58,594.72
4. Step 4: Simplify right side
   101,615.98x = 8,216,823,133.89
5. Step 5: Solve for x
   x = 8,216,823,133.89/101,615.98
6. Step 6: Final answer
   x = 80,861.53