Finding the Fourth Proportional to 2,030.13, 2,803.86 and 2,002.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.13 : 2,803.86 = 2,002.86 : x
2. Step 2: Convert to fraction form
   2,030.13/2,803.86 = 2,002.86/x
3. Step 3: Cross multiply
   2,030.13x = 2,803.86 × 2,002.86
4. Step 4: Simplify right side
   2,030.13x = 5,615,739.04
5. Step 5: Solve for x
   x = 5,615,739.04/2,030.13
6. Step 6: Final answer
   x = 2,766.20