Finding the Fourth Proportional to 105,454.30, 158,135.37 and 31,565.02

Step by Step Solution

1. Step 1: Write the proportion equation
   105,454.30 : 158,135.37 = 31,565.02 : x
2. Step 2: Convert to fraction form
   105,454.30/158,135.37 = 31,565.02/x
3. Step 3: Cross multiply
   105,454.30x = 158,135.37 × 31,565.02
4. Step 4: Simplify right side
   105,454.30x = 4,991,546,116.76
5. Step 5: Solve for x
   x = 4,991,546,116.76/105,454.30
6. Step 6: Final answer
   x = 47,333.74