Finding the Fourth Proportional to 42,491.18, 58,638.12 and 23,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,491.18 : 58,638.12 = 23,629.52 : x
2. Step 2: Convert to fraction form
   42,491.18/58,638.12 = 23,629.52/x
3. Step 3: Cross multiply
   42,491.18x = 58,638.12 × 23,629.52
4. Step 4: Simplify right side
   42,491.18x = 1,385,590,629.30
5. Step 5: Solve for x
   x = 1,385,590,629.30/42,491.18
6. Step 6: Final answer
   x = 32,608.90