Finding the Fourth Proportional to 1,484.34, 2,227.86 and 791.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484.34 : 2,227.86 = 791.60 : x
2. Step 2: Convert to fraction form
   1,484.34/2,227.86 = 791.60/x
3. Step 3: Cross multiply
   1,484.34x = 2,227.86 × 791.60
4. Step 4: Simplify right side
   1,484.34x = 1,763,579.55
5. Step 5: Solve for x
   x = 1,763,579.55/1,484.34
6. Step 6: Final answer
   x = 1,188.12