Finding the Fourth Proportional to 1,372.03, 1,893.39 and 742.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.03 : 1,893.39 = 742.56 : x
2. Step 2: Convert to fraction form
   1,372.03/1,893.39 = 742.56/x
3. Step 3: Cross multiply
   1,372.03x = 1,893.39 × 742.56
4. Step 4: Simplify right side
   1,372.03x = 1,405,942.50
5. Step 5: Solve for x
   x = 1,405,942.50/1,372.03
6. Step 6: Final answer
   x = 1,024.72