Finding the Fourth Proportional to 2,123.24, 3,180.73 and 1,053.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.24 : 3,180.73 = 1,053.14 : x
2. Step 2: Convert to fraction form
   2,123.24/3,180.73 = 1,053.14/x
3. Step 3: Cross multiply
   2,123.24x = 3,180.73 × 1,053.14
4. Step 4: Simplify right side
   2,123.24x = 3,349,759.31
5. Step 5: Solve for x
   x = 3,349,759.31/2,123.24
6. Step 6: Final answer
   x = 1,577.67