Finding the Fourth Proportional to 1,932.58, 2,666.55 and 1,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.58 : 2,666.55 = 1,146.88 : x
2. Step 2: Convert to fraction form
   1,932.58/2,666.55 = 1,146.88/x
3. Step 3: Cross multiply
   1,932.58x = 2,666.55 × 1,146.88
4. Step 4: Simplify right side
   1,932.58x = 3,058,212.86
5. Step 5: Solve for x
   x = 3,058,212.86/1,932.58
6. Step 6: Final answer
   x = 1,582.45