Finding the Fourth Proportional to 8,997.62, 12,417.32 and 5,222.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997.62 : 12,417.32 = 5,222.01 : x
2. Step 2: Convert to fraction form
   8,997.62/12,417.32 = 5,222.01/x
3. Step 3: Cross multiply
   8,997.62x = 12,417.32 × 5,222.01
4. Step 4: Simplify right side
   8,997.62x = 64,843,281.02
5. Step 5: Solve for x
   x = 64,843,281.02/8,997.62
6. Step 6: Final answer
   x = 7,206.71