Finding the Fourth Proportional to 1,932.72, 2,667.10 and 1,146.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.72 : 2,667.10 = 1,146.76 : x
2. Step 2: Convert to fraction form
   1,932.72/2,667.10 = 1,146.76/x
3. Step 3: Cross multiply
   1,932.72x = 2,667.10 × 1,146.76
4. Step 4: Simplify right side
   1,932.72x = 3,058,523.60
5. Step 5: Solve for x
   x = 3,058,523.60/1,932.72
6. Step 6: Final answer
   x = 1,582.50