Finding the Fourth Proportional to 105,503.20, 158,256.40 and 34,425.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,503.20 : 158,256.40 = 34,425.52 : x
2. Step 2: Convert to fraction form
   105,503.20/158,256.40 = 34,425.52/x
3. Step 3: Cross multiply
   105,503.20x = 158,256.40 × 34,425.52
4. Step 4: Simplify right side
   105,503.20x = 5,448,058,863.33
5. Step 5: Solve for x
   x = 5,448,058,863.33/105,503.20
6. Step 6: Final answer
   x = 51,638.80