Finding the Fourth Proportional to 2,327.56, 3,492.86 and 2,139.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,327.56 : 3,492.86 = 2,139.84 : x
2. Step 2: Convert to fraction form
   2,327.56/3,492.86 = 2,139.84/x
3. Step 3: Cross multiply
   2,327.56x = 3,492.86 × 2,139.84
4. Step 4: Simplify right side
   2,327.56x = 7,474,150.84
5. Step 5: Solve for x
   x = 7,474,150.84/2,327.56
6. Step 6: Final answer
   x = 3,211.16