Finding the Fourth Proportional to 2,331.60, 3,492.78 and 1,404.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.60 : 3,492.78 = 1,404.42 : x
2. Step 2: Convert to fraction form
   2,331.60/3,492.78 = 1,404.42/x
3. Step 3: Cross multiply
   2,331.60x = 3,492.78 × 1,404.42
4. Step 4: Simplify right side
   2,331.60x = 4,905,330.09
5. Step 5: Solve for x
   x = 4,905,330.09/2,331.60
6. Step 6: Final answer
   x = 2,103.85