Finding the Fourth Proportional to 2,685.50, 3,704.73 and 1,899.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.50 : 3,704.73 = 1,899.98 : x
2. Step 2: Convert to fraction form
   2,685.50/3,704.73 = 1,899.98/x
3. Step 3: Cross multiply
   2,685.50x = 3,704.73 × 1,899.98
4. Step 4: Simplify right side
   2,685.50x = 7,038,912.91
5. Step 5: Solve for x
   x = 7,038,912.91/2,685.50
6. Step 6: Final answer
   x = 2,621.08