Finding the Fourth Proportional to 5,316.89, 7,333.99 and 3,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,316.89 : 7,333.99 = 3,826.78 : x
2. Step 2: Convert to fraction form
   5,316.89/7,333.99 = 3,826.78/x
3. Step 3: Cross multiply
   5,316.89x = 7,333.99 × 3,826.78
4. Step 4: Simplify right side
   5,316.89x = 28,065,538.35
5. Step 5: Solve for x
   x = 28,065,538.35/5,316.89
6. Step 6: Final answer
   x = 5,278.57