Finding the Fourth Proportional to 4,264.34, 6,384.56 and 3,221.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,264.34 : 6,384.56 = 3,221.06 : x
2. Step 2: Convert to fraction form
   4,264.34/6,384.56 = 3,221.06/x
3. Step 3: Cross multiply
   4,264.34x = 6,384.56 × 3,221.06
4. Step 4: Simplify right side
   4,264.34x = 20,565,050.83
5. Step 5: Solve for x
   x = 20,565,050.83/4,264.34
6. Step 6: Final answer
   x = 4,822.56