Finding the Fourth Proportional to 103,630.69, 155,449.37 and 28,751.59

Step by Step Solution

1. Step 1: Write the proportion equation
   103,630.69 : 155,449.37 = 28,751.59 : x
2. Step 2: Convert to fraction form
   103,630.69/155,449.37 = 28,751.59/x
3. Step 3: Cross multiply
   103,630.69x = 155,449.37 × 28,751.59
4. Step 4: Simplify right side
   103,630.69x = 4,469,416,552.00
5. Step 5: Solve for x
   x = 4,469,416,552.00/103,630.69
6. Step 6: Final answer
   x = 43,128.31