Finding the Fourth Proportional to 1,357.59, 1,871.43 and 1,062.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.59 : 1,871.43 = 1,062.34 : x
2. Step 2: Convert to fraction form
   1,357.59/1,871.43 = 1,062.34/x
3. Step 3: Cross multiply
   1,357.59x = 1,871.43 × 1,062.34
4. Step 4: Simplify right side
   1,357.59x = 1,988,089.63
5. Step 5: Solve for x
   x = 1,988,089.63/1,357.59
6. Step 6: Final answer
   x = 1,464.43