Finding the Fourth Proportional to 1,333.17, 1,997.02 and 748.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.17 : 1,997.02 = 748.15 : x
2. Step 2: Convert to fraction form
   1,333.17/1,997.02 = 748.15/x
3. Step 3: Cross multiply
   1,333.17x = 1,997.02 × 748.15
4. Step 4: Simplify right side
   1,333.17x = 1,494,066.46
5. Step 5: Solve for x
   x = 1,494,066.46/1,333.17
6. Step 6: Final answer
   x = 1,120.69