Finding the Fourth Proportional to 1,374.17, 1,896.36 and 744.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,374.17 : 1,896.36 = 744.70 : x
2. Step 2: Convert to fraction form
   1,374.17/1,896.36 = 744.70/x
3. Step 3: Cross multiply
   1,374.17x = 1,896.36 × 744.70
4. Step 4: Simplify right side
   1,374.17x = 1,412,214.55
5. Step 5: Solve for x
   x = 1,412,214.55/1,374.17
6. Step 6: Final answer
   x = 1,027.69