Finding the Fourth Proportional to 10,363.59, 14,297.47 and 7,221.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,363.59 : 14,297.47 = 7,221.60 : x
2. Step 2: Convert to fraction form
   10,363.59/14,297.47 = 7,221.60/x
3. Step 3: Cross multiply
   10,363.59x = 14,297.47 × 7,221.60
4. Step 4: Simplify right side
   10,363.59x = 103,250,609.35
5. Step 5: Solve for x
   x = 103,250,609.35/10,363.59
6. Step 6: Final answer
   x = 9,962.82