Finding the Fourth Proportional to 12,384.42, 17,090.37 and 7,669.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.42 : 17,090.37 = 7,669.14 : x
2. Step 2: Convert to fraction form
   12,384.42/17,090.37 = 7,669.14/x
3. Step 3: Cross multiply
   12,384.42x = 17,090.37 × 7,669.14
4. Step 4: Simplify right side
   12,384.42x = 131,068,440.18
5. Step 5: Solve for x
   x = 131,068,440.18/12,384.42
6. Step 6: Final answer
   x = 10,583.33