Finding the Fourth Proportional to 283.32, 424.83 and 100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   283.32 : 424.83 = 100.69 : x
2. Step 2: Convert to fraction form
   283.32/424.83 = 100.69/x
3. Step 3: Cross multiply
   283.32x = 424.83 × 100.69
4. Step 4: Simplify right side
   283.32x = 42,777.55
5. Step 5: Solve for x
   x = 42,777.55/283.32
6. Step 6: Final answer
   x = 150.99