Finding the Fourth Proportional to 6,404.99, 8,830.89 and 5,344.29

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.99 : 8,830.89 = 5,344.29 : x
2. Step 2: Convert to fraction form
   6,404.99/8,830.89 = 5,344.29/x
3. Step 3: Cross multiply
   6,404.99x = 8,830.89 × 5,344.29
4. Step 4: Simplify right side
   6,404.99x = 47,194,837.12
5. Step 5: Solve for x
   x = 47,194,837.12/6,404.99
6. Step 6: Final answer
   x = 7,368.45