Finding the Fourth Proportional to 105,350.78, 158,002.70 and 30,454.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,350.78 : 158,002.70 = 30,454.52 : x
2. Step 2: Convert to fraction form
   105,350.78/158,002.70 = 30,454.52/x
3. Step 3: Cross multiply
   105,350.78x = 158,002.70 × 30,454.52
4. Step 4: Simplify right side
   105,350.78x = 4,811,896,387.20
5. Step 5: Solve for x
   x = 4,811,896,387.20/105,350.78
6. Step 6: Final answer
   x = 45,675.00