Finding the Fourth Proportional to 42,439.89, 58,568.09 and 23,319.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,439.89 : 58,568.09 = 23,319.51 : x
2. Step 2: Convert to fraction form
   42,439.89/58,568.09 = 23,319.51/x
3. Step 3: Cross multiply
   42,439.89x = 58,568.09 × 23,319.51
4. Step 4: Simplify right side
   42,439.89x = 1,365,778,972.16
5. Step 5: Solve for x
   x = 1,365,778,972.16/42,439.89
6. Step 6: Final answer
   x = 32,181.49