Finding the Fourth Proportional to 1,500.62, 2,250.67 and 404.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.62 : 2,250.67 = 404.72 : x
2. Step 2: Convert to fraction form
   1,500.62/2,250.67 = 404.72/x
3. Step 3: Cross multiply
   1,500.62x = 2,250.67 × 404.72
4. Step 4: Simplify right side
   1,500.62x = 910,896.81
5. Step 5: Solve for x
   x = 910,896.81/1,500.62
6. Step 6: Final answer
   x = 607.02