Finding the Fourth Proportional to 1,927.67, 2,660.18 and 1,043.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.67 : 2,660.18 = 1,043.47 : x
2. Step 2: Convert to fraction form
   1,927.67/2,660.18 = 1,043.47/x
3. Step 3: Cross multiply
   1,927.67x = 2,660.18 × 1,043.47
4. Step 4: Simplify right side
   1,927.67x = 2,775,818.02
5. Step 5: Solve for x
   x = 2,775,818.02/1,927.67
6. Step 6: Final answer
   x = 1,439.99