Finding the Fourth Proportional to 1,545.34, 2,131.71 and 955.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,545.34 : 2,131.71 = 955.46 : x
2. Step 2: Convert to fraction form
   1,545.34/2,131.71 = 955.46/x
3. Step 3: Cross multiply
   1,545.34x = 2,131.71 × 955.46
4. Step 4: Simplify right side
   1,545.34x = 2,036,763.64
5. Step 5: Solve for x
   x = 2,036,763.64/1,545.34
6. Step 6: Final answer
   x = 1,318.00