Finding the Fourth Proportional to 2,327.32, 3,492.69 and 1,288.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.32 : 3,492.69 = 1,288.20 : x
2. Step 2: Convert to fraction form
   2,327.32/3,492.69 = 1,288.20/x
3. Step 3: Cross multiply
   2,327.32x = 3,492.69 × 1,288.20
4. Step 4: Simplify right side
   2,327.32x = 4,499,283.26
5. Step 5: Solve for x
   x = 4,499,283.26/2,327.32
6. Step 6: Final answer
   x = 1,933.25