Finding the Fourth Proportional to 2,353.76, 3,530.30 and 892.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.76 : 3,530.30 = 892.91 : x
2. Step 2: Convert to fraction form
   2,353.76/3,530.30 = 892.91/x
3. Step 3: Cross multiply
   2,353.76x = 3,530.30 × 892.91
4. Step 4: Simplify right side
   2,353.76x = 3,152,240.83
5. Step 5: Solve for x
   x = 3,152,240.83/2,353.76
6. Step 6: Final answer
   x = 1,339.24