Finding the Fourth Proportional to 42,728.75, 58,966.86 and 23,609.76

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728.75 : 58,966.86 = 23,609.76 : x
2. Step 2: Convert to fraction form
   42,728.75/58,966.86 = 23,609.76/x
3. Step 3: Cross multiply
   42,728.75x = 58,966.86 × 23,609.76
4. Step 4: Simplify right side
   42,728.75x = 1,392,193,117.72
5. Step 5: Solve for x
   x = 1,392,193,117.72/42,728.75
6. Step 6: Final answer
   x = 32,582.12