Finding the Fourth Proportional to 2,071.83, 2,857.91 and 1,325.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.83 : 2,857.91 = 1,325.51 : x
2. Step 2: Convert to fraction form
   2,071.83/2,857.91 = 1,325.51/x
3. Step 3: Cross multiply
   2,071.83x = 2,857.91 × 1,325.51
4. Step 4: Simplify right side
   2,071.83x = 3,788,181.66
5. Step 5: Solve for x
   x = 3,788,181.66/2,071.83
6. Step 6: Final answer
   x = 1,828.43