Finding the Fourth Proportional to 2,513.18, 3,769.71 and 1,197.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.18 : 3,769.71 = 1,197.89 : x
2. Step 2: Convert to fraction form
   2,513.18/3,769.71 = 1,197.89/x
3. Step 3: Cross multiply
   2,513.18x = 3,769.71 × 1,197.89
4. Step 4: Simplify right side
   2,513.18x = 4,515,697.91
5. Step 5: Solve for x
   x = 4,515,697.91/2,513.18
6. Step 6: Final answer
   x = 1,796.81