Finding the Fourth Proportional to 1,662.35, 2,499.60 and 1,395.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662.35 : 2,499.60 = 1,395.05 : x
2. Step 2: Convert to fraction form
   1,662.35/2,499.60 = 1,395.05/x
3. Step 3: Cross multiply
   1,662.35x = 2,499.60 × 1,395.05
4. Step 4: Simplify right side
   1,662.35x = 3,487,066.98
5. Step 5: Solve for x
   x = 3,487,066.98/1,662.35
6. Step 6: Final answer
   x = 2,097.67