Finding the Fourth Proportional to 10,018.86, 13,823.55 and 6,477.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018.86 : 13,823.55 = 6,477.81 : x
2. Step 2: Convert to fraction form
   10,018.86/13,823.55 = 6,477.81/x
3. Step 3: Cross multiply
   10,018.86x = 13,823.55 × 6,477.81
4. Step 4: Simplify right side
   10,018.86x = 89,546,340.69
5. Step 5: Solve for x
   x = 89,546,340.69/10,018.86
6. Step 6: Final answer
   x = 8,937.78