Finding the Fourth Proportional to 100.83, 151.25 and 28.69

Step by Step Solution

1. Step 1: Write the proportion equation
   100.83 : 151.25 = 28.69 : x
2. Step 2: Convert to fraction form
   100.83/151.25 = 28.69/x
3. Step 3: Cross multiply
   100.83x = 151.25 × 28.69
4. Step 4: Simplify right side
   100.83x = 4,339.00
5. Step 5: Solve for x
   x = 4,339.00/100.83
6. Step 6: Final answer
   x = 43.03