Finding the Fourth Proportional to 2,036.68, 2,816.14 and 2,003.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,036.68 : 2,816.14 = 2,003.72 : x
2. Step 2: Convert to fraction form
   2,036.68/2,816.14 = 2,003.72/x
3. Step 3: Cross multiply
   2,036.68x = 2,816.14 × 2,003.72
4. Step 4: Simplify right side
   2,036.68x = 5,642,756.04
5. Step 5: Solve for x
   x = 5,642,756.04/2,036.68
6. Step 6: Final answer
   x = 2,770.57