Finding the Fourth Proportional to 42,638.61, 58,838.03 and 23,519.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,638.61 : 58,838.03 = 23,519.10 : x
2. Step 2: Convert to fraction form
   42,638.61/58,838.03 = 23,519.10/x
3. Step 3: Cross multiply
   42,638.61x = 58,838.03 × 23,519.10
4. Step 4: Simplify right side
   42,638.61x = 1,383,817,393.78
5. Step 5: Solve for x
   x = 1,383,817,393.78/42,638.61
6. Step 6: Final answer
   x = 32,454.56