Finding the Fourth Proportional to 42,540.09, 58,705.31 and 23,681.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,540.09 : 58,705.31 = 23,681.67 : x
2. Step 2: Convert to fraction form
   42,540.09/58,705.31 = 23,681.67/x
3. Step 3: Cross multiply
   42,540.09x = 58,705.31 × 23,681.67
4. Step 4: Simplify right side
   42,540.09x = 1,390,239,778.67
5. Step 5: Solve for x
   x = 1,390,239,778.67/42,540.09
6. Step 6: Final answer
   x = 32,680.70