Finding the Fourth Proportional to 2,753.55, 4,131.00 and 1,290.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.55 : 4,131.00 = 1,290.99 : x
2. Step 2: Convert to fraction form
   2,753.55/4,131.00 = 1,290.99/x
3. Step 3: Cross multiply
   2,753.55x = 4,131.00 × 1,290.99
4. Step 4: Simplify right side
   2,753.55x = 5,333,074.85
5. Step 5: Solve for x
   x = 5,333,074.85/2,753.55
6. Step 6: Final answer
   x = 1,936.80