Finding the Fourth Proportional to 8,929.86, 13,355.37 and 5,410.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.86 : 13,355.37 = 5,410.14 : x
2. Step 2: Convert to fraction form
   8,929.86/13,355.37 = 5,410.14/x
3. Step 3: Cross multiply
   8,929.86x = 13,355.37 × 5,410.14
4. Step 4: Simplify right side
   8,929.86x = 72,254,421.45
5. Step 5: Solve for x
   x = 72,254,421.45/8,929.86
6. Step 6: Final answer
   x = 8,091.33