Finding the Fourth Proportional to 1,501.00, 2,251.47 and 678.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.00 : 2,251.47 = 678.70 : x
2. Step 2: Convert to fraction form
   1,501.00/2,251.47 = 678.70/x
3. Step 3: Cross multiply
   1,501.00x = 2,251.47 × 678.70
4. Step 4: Simplify right side
   1,501.00x = 1,528,061.43
5. Step 5: Solve for x
   x = 1,528,061.43/1,501.00
6. Step 6: Final answer
   x = 1,018.03