Finding the Fourth Proportional to 1,900.02, 2,833.86 and 1,867.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.02 : 2,833.86 = 1,867.20 : x
2. Step 2: Convert to fraction form
   1,900.02/2,833.86 = 1,867.20/x
3. Step 3: Cross multiply
   1,900.02x = 2,833.86 × 1,867.20
4. Step 4: Simplify right side
   1,900.02x = 5,291,383.39
5. Step 5: Solve for x
   x = 5,291,383.39/1,900.02
6. Step 6: Final answer
   x = 2,784.91