Finding the Fourth Proportional to 5,828.45, 8,024.69 and 5,431.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,828.45 : 8,024.69 = 5,431.01 : x
2. Step 2: Convert to fraction form
   5,828.45/8,024.69 = 5,431.01/x
3. Step 3: Cross multiply
   5,828.45x = 8,024.69 × 5,431.01
4. Step 4: Simplify right side
   5,828.45x = 43,582,144.48
5. Step 5: Solve for x
   x = 43,582,144.48/5,828.45
6. Step 6: Final answer
   x = 7,477.48