Finding the Fourth Proportional to 5,360.31, 8,030.74 and 5,243.67

Step by Step Solution

1. Step 1: Write the proportion equation
   5,360.31 : 8,030.74 = 5,243.67 : x
2. Step 2: Convert to fraction form
   5,360.31/8,030.74 = 5,243.67/x
3. Step 3: Cross multiply
   5,360.31x = 8,030.74 × 5,243.67
4. Step 4: Simplify right side
   5,360.31x = 42,110,550.42
5. Step 5: Solve for x
   x = 42,110,550.42/5,360.31
6. Step 6: Final answer
   x = 7,855.99