Finding the Fourth Proportional to 2,773.01, 3,823.82 and 2,415.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.01 : 3,823.82 = 2,415.87 : x
2. Step 2: Convert to fraction form
   2,773.01/3,823.82 = 2,415.87/x
3. Step 3: Cross multiply
   2,773.01x = 3,823.82 × 2,415.87
4. Step 4: Simplify right side
   2,773.01x = 9,237,839.94
5. Step 5: Solve for x
   x = 9,237,839.94/2,773.01
6. Step 6: Final answer
   x = 3,331.34