Finding the Fourth Proportional to 5,322.63, 7,341.89 and 3,828.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322.63 : 7,341.89 = 3,828.18 : x
2. Step 2: Convert to fraction form
   5,322.63/7,341.89 = 3,828.18/x
3. Step 3: Cross multiply
   5,322.63x = 7,341.89 × 3,828.18
4. Step 4: Simplify right side
   5,322.63x = 28,106,076.46
5. Step 5: Solve for x
   x = 28,106,076.46/5,322.63
6. Step 6: Final answer
   x = 5,280.49