Finding the Fourth Proportional to 1,899.83, 2,602.78 and 1,828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.83 : 2,602.78 = 1,828.82 : x
2. Step 2: Convert to fraction form
   1,899.83/2,602.78 = 1,828.82/x
3. Step 3: Cross multiply
   1,899.83x = 2,602.78 × 1,828.82
4. Step 4: Simplify right side
   1,899.83x = 4,760,016.12
5. Step 5: Solve for x
   x = 4,760,016.12/1,899.83
6. Step 6: Final answer
   x = 2,505.50