Finding the Fourth Proportional to 42,638.89, 58,842.13 and 23,519.51

Step by Step Solution

1. Step 1: Write the proportion equation
   42,638.89 : 58,842.13 = 23,519.51 : x
2. Step 2: Convert to fraction form
   42,638.89/58,842.13 = 23,519.51/x
3. Step 3: Cross multiply
   42,638.89x = 58,842.13 × 23,519.51
4. Step 4: Simplify right side
   42,638.89x = 1,383,937,770.75
5. Step 5: Solve for x
   x = 1,383,937,770.75/42,638.89
6. Step 6: Final answer
   x = 32,457.17