Finding the Fourth Proportional to 12,384.55, 17,090.90 and 7,008.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.55 : 17,090.90 = 7,008.18 : x
2. Step 2: Convert to fraction form
   12,384.55/17,090.90 = 7,008.18/x
3. Step 3: Cross multiply
   12,384.55x = 17,090.90 × 7,008.18
4. Step 4: Simplify right side
   12,384.55x = 119,776,103.56
5. Step 5: Solve for x
   x = 119,776,103.56/12,384.55
6. Step 6: Final answer
   x = 9,671.41