Finding the Fourth Proportional to 1,372.50, 1,894.04 and 743.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372.50 : 1,894.04 = 743.02 : x
2. Step 2: Convert to fraction form
   1,372.50/1,894.04 = 743.02/x
3. Step 3: Cross multiply
   1,372.50x = 1,894.04 × 743.02
4. Step 4: Simplify right side
   1,372.50x = 1,407,309.60
5. Step 5: Solve for x
   x = 1,407,309.60/1,372.50
6. Step 6: Final answer
   x = 1,025.36