Finding the Fourth Proportional to 2,773.56, 3,827.40 and 1,531.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.56 : 3,827.40 = 1,531.56 : x
2. Step 2: Convert to fraction form
   2,773.56/3,827.40 = 1,531.56/x
3. Step 3: Cross multiply
   2,773.56x = 3,827.40 × 1,531.56
4. Step 4: Simplify right side
   2,773.56x = 5,861,892.74
5. Step 5: Solve for x
   x = 5,861,892.74/2,773.56
6. Step 6: Final answer
   x = 2,113.49