Finding the Fourth Proportional to 2,353.48, 3,529.72 and 892.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.48 : 3,529.72 = 892.12 : x
2. Step 2: Convert to fraction form
   2,353.48/3,529.72 = 892.12/x
3. Step 3: Cross multiply
   2,353.48x = 3,529.72 × 892.12
4. Step 4: Simplify right side
   2,353.48x = 3,148,933.81
5. Step 5: Solve for x
   x = 3,148,933.81/2,353.48
6. Step 6: Final answer
   x = 1,337.99