Finding the Fourth Proportional to 1,458.42, 2,012.73 and 837.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.42 : 2,012.73 = 837.42 : x
2. Step 2: Convert to fraction form
   1,458.42/2,012.73 = 837.42/x
3. Step 3: Cross multiply
   1,458.42x = 2,012.73 × 837.42
4. Step 4: Simplify right side
   1,458.42x = 1,685,500.36
5. Step 5: Solve for x
   x = 1,685,500.36/1,458.42
6. Step 6: Final answer
   x = 1,155.70