Finding the Fourth Proportional to 1,501.64, 2,251.68 and 679.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501.64 : 2,251.68 = 679.52 : x
2. Step 2: Convert to fraction form
   1,501.64/2,251.68 = 679.52/x
3. Step 3: Cross multiply
   1,501.64x = 2,251.68 × 679.52
4. Step 4: Simplify right side
   1,501.64x = 1,530,061.59
5. Step 5: Solve for x
   x = 1,530,061.59/1,501.64
6. Step 6: Final answer
   x = 1,018.93