Finding the Fourth Proportional to 5,488.48, 8,273.72 and 5,021.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.48 : 8,273.72 = 5,021.43 : x
2. Step 2: Convert to fraction form
   5,488.48/8,273.72 = 5,021.43/x
3. Step 3: Cross multiply
   5,488.48x = 8,273.72 × 5,021.43
4. Step 4: Simplify right side
   5,488.48x = 41,545,905.82
5. Step 5: Solve for x
   x = 41,545,905.82/5,488.48
6. Step 6: Final answer
   x = 7,569.66