Finding the Fourth Proportional to 1,932.50, 2,669.05 and 1,310.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.50 : 2,669.05 = 1,310.42 : x
2. Step 2: Convert to fraction form
   1,932.50/2,669.05 = 1,310.42/x
3. Step 3: Cross multiply
   1,932.50x = 2,669.05 × 1,310.42
4. Step 4: Simplify right side
   1,932.50x = 3,497,576.50
5. Step 5: Solve for x
   x = 3,497,576.50/1,932.50
6. Step 6: Final answer
   x = 1,809.87