Finding the Fourth Proportional to 2,097.50, 2,885.90 and 1,816.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.50 : 2,885.90 = 1,816.83 : x
2. Step 2: Convert to fraction form
   2,097.50/2,885.90 = 1,816.83/x
3. Step 3: Cross multiply
   2,097.50x = 2,885.90 × 1,816.83
4. Step 4: Simplify right side
   2,097.50x = 5,243,180.61
5. Step 5: Solve for x
   x = 5,243,180.61/2,097.50
6. Step 6: Final answer
   x = 2,499.73