Finding the Fourth Proportional to 1,434.02, 1,980.12 and 1,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,434.02 : 1,980.12 = 1,168.50 : x
2. Step 2: Convert to fraction form
   1,434.02/1,980.12 = 1,168.50/x
3. Step 3: Cross multiply
   1,434.02x = 1,980.12 × 1,168.50
4. Step 4: Simplify right side
   1,434.02x = 2,313,775.45
5. Step 5: Solve for x
   x = 2,313,775.45/1,434.02
6. Step 6: Final answer
   x = 1,613.49