Finding the Fourth Proportional to 1,500.06, 2,251.30 and 678.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.06 : 2,251.30 = 678.41 : x
2. Step 2: Convert to fraction form
   1,500.06/2,251.30 = 678.41/x
3. Step 3: Cross multiply
   1,500.06x = 2,251.30 × 678.41
4. Step 4: Simplify right side
   1,500.06x = 1,527,289.78
5. Step 5: Solve for x
   x = 1,527,289.78/1,500.06
6. Step 6: Final answer
   x = 1,018.15