Finding the Fourth Proportional to 1,375.34, 2,066.24 and 1,120.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.34 : 2,066.24 = 1,120.46 : x
2. Step 2: Convert to fraction form
   1,375.34/2,066.24 = 1,120.46/x
3. Step 3: Cross multiply
   1,375.34x = 2,066.24 × 1,120.46
4. Step 4: Simplify right side
   1,375.34x = 2,315,131.74
5. Step 5: Solve for x
   x = 2,315,131.74/1,375.34
6. Step 6: Final answer
   x = 1,683.32