Finding the Fourth Proportional to 3,914.77, 5,402.51 and 2,235.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.77 : 5,402.51 = 2,235.82 : x
2. Step 2: Convert to fraction form
   3,914.77/5,402.51 = 2,235.82/x
3. Step 3: Cross multiply
   3,914.77x = 5,402.51 × 2,235.82
4. Step 4: Simplify right side
   3,914.77x = 12,079,039.91
5. Step 5: Solve for x
   x = 12,079,039.91/3,914.77
6. Step 6: Final answer
   x = 3,085.50