Finding the Fourth Proportional to 2,518.00, 3,474.93 and 1,399.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.00 : 3,474.93 = 1,399.06 : x
2. Step 2: Convert to fraction form
   2,518.00/3,474.93 = 1,399.06/x
3. Step 3: Cross multiply
   2,518.00x = 3,474.93 × 1,399.06
4. Step 4: Simplify right side
   2,518.00x = 4,861,625.61
5. Step 5: Solve for x
   x = 4,861,625.61/2,518.00
6. Step 6: Final answer
   x = 1,930.75