Finding the Fourth Proportional to 10,384.07, 14,317.76 and 8,388.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,384.07 : 14,317.76 = 8,388.43 : x
2. Step 2: Convert to fraction form
   10,384.07/14,317.76 = 8,388.43/x
3. Step 3: Cross multiply
   10,384.07x = 14,317.76 × 8,388.43
4. Step 4: Simplify right side
   10,384.07x = 120,103,512.69
5. Step 5: Solve for x
   x = 120,103,512.69/10,384.07
6. Step 6: Final answer
   x = 11,566.14