Finding the Fourth Proportional to 8,898.86, 13,314.38 and 5,522.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898.86 : 13,314.38 = 5,522.18 : x
2. Step 2: Convert to fraction form
   8,898.86/13,314.38 = 5,522.18/x
3. Step 3: Cross multiply
   8,898.86x = 13,314.38 × 5,522.18
4. Step 4: Simplify right side
   8,898.86x = 73,524,308.77
5. Step 5: Solve for x
   x = 73,524,308.77/8,898.86
6. Step 6: Final answer
   x = 8,262.21