Finding the Fourth Proportional to 1,773.42, 2,447.30 and 976.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.42 : 2,447.30 = 976.73 : x
2. Step 2: Convert to fraction form
   1,773.42/2,447.30 = 976.73/x
3. Step 3: Cross multiply
   1,773.42x = 2,447.30 × 976.73
4. Step 4: Simplify right side
   1,773.42x = 2,390,352.55
5. Step 5: Solve for x
   x = 2,390,352.55/1,773.42
6. Step 6: Final answer
   x = 1,347.88