Finding the Fourth Proportional to 2,553.72, 3,827.38 and 1,091.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.72 : 3,827.38 = 1,091.16 : x
2. Step 2: Convert to fraction form
   2,553.72/3,827.38 = 1,091.16/x
3. Step 3: Cross multiply
   2,553.72x = 3,827.38 × 1,091.16
4. Step 4: Simplify right side
   2,553.72x = 4,176,283.96
5. Step 5: Solve for x
   x = 4,176,283.96/2,553.72
6. Step 6: Final answer
   x = 1,635.37