Finding the Fourth Proportional to 1,397.76, 2,094.05 and 1,168.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,397.76 : 2,094.05 = 1,168.12 : x
2. Step 2: Convert to fraction form
   1,397.76/2,094.05 = 1,168.12/x
3. Step 3: Cross multiply
   1,397.76x = 2,094.05 × 1,168.12
4. Step 4: Simplify right side
   1,397.76x = 2,446,107.22
5. Step 5: Solve for x
   x = 2,446,107.22/1,397.76
6. Step 6: Final answer
   x = 1,750.02