Finding the Fourth Proportional to 1,791.50, 2,472.32 and 994.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,791.50 : 2,472.32 = 994.86 : x
2. Step 2: Convert to fraction form
   1,791.50/2,472.32 = 994.86/x
3. Step 3: Cross multiply
   1,791.50x = 2,472.32 × 994.86
4. Step 4: Simplify right side
   1,791.50x = 2,459,607.30
5. Step 5: Solve for x
   x = 2,459,607.30/1,791.50
6. Step 6: Final answer
   x = 1,372.94