Finding the Fourth Proportional to 6,899.57, 9,522.32 and 3,916.14

Step by Step Solution

1. Step 1: Write the proportion equation
   6,899.57 : 9,522.32 = 3,916.14 : x
2. Step 2: Convert to fraction form
   6,899.57/9,522.32 = 3,916.14/x
3. Step 3: Cross multiply
   6,899.57x = 9,522.32 × 3,916.14
4. Step 4: Simplify right side
   6,899.57x = 37,290,738.24
5. Step 5: Solve for x
   x = 37,290,738.24/6,899.57
6. Step 6: Final answer
   x = 5,404.79