Finding the Fourth Proportional to 1,931.48, 2,666.56 and 1,342.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.48 : 2,666.56 = 1,342.82 : x
2. Step 2: Convert to fraction form
   1,931.48/2,666.56 = 1,342.82/x
3. Step 3: Cross multiply
   1,931.48x = 2,666.56 × 1,342.82
4. Step 4: Simplify right side
   1,931.48x = 3,580,710.10
5. Step 5: Solve for x
   x = 3,580,710.10/1,931.48
6. Step 6: Final answer
   x = 1,853.87