Finding the Fourth Proportional to 9,884.99, 13,641.27 and 5,408.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,884.99 : 13,641.27 = 5,408.76 : x
2. Step 2: Convert to fraction form
   9,884.99/13,641.27 = 5,408.76/x
3. Step 3: Cross multiply
   9,884.99x = 13,641.27 × 5,408.76
4. Step 4: Simplify right side
   9,884.99x = 73,782,355.53
5. Step 5: Solve for x
   x = 73,782,355.53/9,884.99
6. Step 6: Final answer
   x = 7,464.08