Finding the Fourth Proportional to 1,932.10, 2,666.27 and 1,047.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.10 : 2,666.27 = 1,047.89 : x
2. Step 2: Convert to fraction form
   1,932.10/2,666.27 = 1,047.89/x
3. Step 3: Cross multiply
   1,932.10x = 2,666.27 × 1,047.89
4. Step 4: Simplify right side
   1,932.10x = 2,793,946.06
5. Step 5: Solve for x
   x = 2,793,946.06/1,932.10
6. Step 6: Final answer
   x = 1,446.06