Finding the Fourth Proportional to 2,773.29, 4,156.34 and 1,127.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.29 : 4,156.34 = 1,127.92 : x
2. Step 2: Convert to fraction form
   2,773.29/4,156.34 = 1,127.92/x
3. Step 3: Cross multiply
   2,773.29x = 4,156.34 × 1,127.92
4. Step 4: Simplify right side
   2,773.29x = 4,688,019.01
5. Step 5: Solve for x
   x = 4,688,019.01/2,773.29
6. Step 6: Final answer
   x = 1,690.42