Finding the Fourth Proportional to 6,426.78, 8,868.89 and 3,594.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,426.78 : 8,868.89 = 3,594.12 : x
2. Step 2: Convert to fraction form
   6,426.78/8,868.89 = 3,594.12/x
3. Step 3: Cross multiply
   6,426.78x = 8,868.89 × 3,594.12
4. Step 4: Simplify right side
   6,426.78x = 31,875,823.77
5. Step 5: Solve for x
   x = 31,875,823.77/6,426.78
6. Step 6: Final answer
   x = 4,959.85