Finding the Fourth Proportional to 2,941.50, 4,410.72 and 993

Step by Step Solution

1. Step 1: Write the proportion equation
   2,941.50 : 4,410.72 = 993 : x
2. Step 2: Convert to fraction form
   2,941.50/4,410.72 = 993/x
3. Step 3: Cross multiply
   2,941.50x = 4,410.72 × 993
4. Step 4: Simplify right side
   2,941.50x = 4,379,844.96
5. Step 5: Solve for x
   x = 4,379,844.96/2,941.50
6. Step 6: Final answer
   x = 1,488.98