Finding the Fourth Proportional to 2,071.32, 2,857.89 and 1,232.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.32 : 2,857.89 = 1,232.20 : x
2. Step 2: Convert to fraction form
   2,071.32/2,857.89 = 1,232.20/x
3. Step 3: Cross multiply
   2,071.32x = 2,857.89 × 1,232.20
4. Step 4: Simplify right side
   2,071.32x = 3,521,492.06
5. Step 5: Solve for x
   x = 3,521,492.06/2,071.32
6. Step 6: Final answer
   x = 1,700.12