Finding the Fourth Proportional to 42,640.16, 58,842.67 and 23,521.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,640.16 : 58,842.67 = 23,521.68 : x
2. Step 2: Convert to fraction form
   42,640.16/58,842.67 = 23,521.68/x
3. Step 3: Cross multiply
   42,640.16x = 58,842.67 × 23,521.68
4. Step 4: Simplify right side
   42,640.16x = 1,384,078,454.09
5. Step 5: Solve for x
   x = 1,384,078,454.09/42,640.16
6. Step 6: Final answer
   x = 32,459.50