Finding the Fourth Proportional to 9,962.70, 14,929.38 and 5,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,962.70 : 14,929.38 = 5,581.50 : x
2. Step 2: Convert to fraction form
   9,962.70/14,929.38 = 5,581.50/x
3. Step 3: Cross multiply
   9,962.70x = 14,929.38 × 5,581.50
4. Step 4: Simplify right side
   9,962.70x = 83,328,334.47
5. Step 5: Solve for x
   x = 83,328,334.47/9,962.70
6. Step 6: Final answer
   x = 8,364.03