Finding the Fourth Proportional to 2,777.16, 3,835.35 and 2,402.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,777.16 : 3,835.35 = 2,402.34 : x
2. Step 2: Convert to fraction form
   2,777.16/3,835.35 = 2,402.34/x
3. Step 3: Cross multiply
   2,777.16x = 3,835.35 × 2,402.34
4. Step 4: Simplify right side
   2,777.16x = 9,213,814.72
5. Step 5: Solve for x
   x = 9,213,814.72/2,777.16
6. Step 6: Final answer
   x = 3,317.71