Finding the Fourth Proportional to 1,932, 2,666.18 and 1,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932 : 2,666.18 = 1,146.72 : x
2. Step 2: Convert to fraction form
   1,932/2,666.18 = 1,146.72/x
3. Step 3: Cross multiply
   1,932x = 2,666.18 × 1,146.72
4. Step 4: Simplify right side
   1,932x = 3,057,356.20
5. Step 5: Solve for x
   x = 3,057,356.20/1,932
6. Step 6: Final answer
   x = 1,582.48