Finding the Fourth Proportional to 6,899.25, 9,518.01 and 5,401.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,899.25 : 9,518.01 = 5,401.16 : x
2. Step 2: Convert to fraction form
   6,899.25/9,518.01 = 5,401.16/x
3. Step 3: Cross multiply
   6,899.25x = 9,518.01 × 5,401.16
4. Step 4: Simplify right side
   6,899.25x = 51,408,294.89
5. Step 5: Solve for x
   x = 51,408,294.89/6,899.25
6. Step 6: Final answer
   x = 7,451.29