Finding the Fourth Proportional to 1,354.53, 1,869.39 and 976.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,354.53 : 1,869.39 = 976.73 : x
2. Step 2: Convert to fraction form
   1,354.53/1,869.39 = 976.73/x
3. Step 3: Cross multiply
   1,354.53x = 1,869.39 × 976.73
4. Step 4: Simplify right side
   1,354.53x = 1,825,895.19
5. Step 5: Solve for x
   x = 1,825,895.19/1,354.53
6. Step 6: Final answer
   x = 1,347.99