Finding the Fourth Proportional to 1,401.30, 1,932.53 and 1,166.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.30 : 1,932.53 = 1,166.03 : x
2. Step 2: Convert to fraction form
   1,401.30/1,932.53 = 1,166.03/x
3. Step 3: Cross multiply
   1,401.30x = 1,932.53 × 1,166.03
4. Step 4: Simplify right side
   1,401.30x = 2,253,372.46
5. Step 5: Solve for x
   x = 2,253,372.46/1,401.30
6. Step 6: Final answer
   x = 1,608.06