Finding the Fourth Proportional to 3,705.50, 5,553.47 and 2,773.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.50 : 5,553.47 = 2,773.76 : x
2. Step 2: Convert to fraction form
   3,705.50/5,553.47 = 2,773.76/x
3. Step 3: Cross multiply
   3,705.50x = 5,553.47 × 2,773.76
4. Step 4: Simplify right side
   3,705.50x = 15,403,951.31
5. Step 5: Solve for x
   x = 15,403,951.31/3,705.50
6. Step 6: Final answer
   x = 4,157.06