Finding the Fourth Proportional to 105,587.28, 158,391.23 and 30,708

Step by Step Solution

1. Step 1: Write the proportion equation
   105,587.28 : 158,391.23 = 30,708 : x
2. Step 2: Convert to fraction form
   105,587.28/158,391.23 = 30,708/x
3. Step 3: Cross multiply
   105,587.28x = 158,391.23 × 30,708
4. Step 4: Simplify right side
   105,587.28x = 4,863,877,737.30
5. Step 5: Solve for x
   x = 4,863,877,737.30/105,587.28
6. Step 6: Final answer
   x = 46,065.00