Finding the Fourth Proportional to 1,419.27, 2,124.42 and 1,157.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.27 : 2,124.42 = 1,157.04 : x
2. Step 2: Convert to fraction form
   1,419.27/2,124.42 = 1,157.04/x
3. Step 3: Cross multiply
   1,419.27x = 2,124.42 × 1,157.04
4. Step 4: Simplify right side
   1,419.27x = 2,458,038.92
5. Step 5: Solve for x
   x = 2,458,038.92/1,419.27
6. Step 6: Final answer
   x = 1,731.90