Finding the Fourth Proportional to 1,950.16, 2,691.98 and 1,320.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,950.16 : 2,691.98 = 1,320.38 : x
2. Step 2: Convert to fraction form
   1,950.16/2,691.98 = 1,320.38/x
3. Step 3: Cross multiply
   1,950.16x = 2,691.98 × 1,320.38
4. Step 4: Simplify right side
   1,950.16x = 3,554,436.55
5. Step 5: Solve for x
   x = 3,554,436.55/1,950.16
6. Step 6: Final answer
   x = 1,822.64