Finding the Fourth Proportional to 1,921.92, 2,651.81 and 1,501.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921.92 : 2,651.81 = 1,501.53 : x
2. Step 2: Convert to fraction form
   1,921.92/2,651.81 = 1,501.53/x
3. Step 3: Cross multiply
   1,921.92x = 2,651.81 × 1,501.53
4. Step 4: Simplify right side
   1,921.92x = 3,981,764.76
5. Step 5: Solve for x
   x = 3,981,764.76/1,921.92
6. Step 6: Final answer
   x = 2,071.76