Finding the Fourth Proportional to 9,872.43, 14,814.47 and 3,636.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,872.43 : 14,814.47 = 3,636.82 : x
2. Step 2: Convert to fraction form
   9,872.43/14,814.47 = 3,636.82/x
3. Step 3: Cross multiply
   9,872.43x = 14,814.47 × 3,636.82
4. Step 4: Simplify right side
   9,872.43x = 53,877,560.79
5. Step 5: Solve for x
   x = 53,877,560.79/9,872.43
6. Step 6: Final answer
   x = 5,457.38