Finding the Fourth Proportional to 1,932.12, 2,665.31 and 1,372.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.12 : 2,665.31 = 1,372.82 : x
2. Step 2: Convert to fraction form
   1,932.12/2,665.31 = 1,372.82/x
3. Step 3: Cross multiply
   1,932.12x = 2,665.31 × 1,372.82
4. Step 4: Simplify right side
   1,932.12x = 3,658,970.68
5. Step 5: Solve for x
   x = 3,658,970.68/1,932.12
6. Step 6: Final answer
   x = 1,893.76