Finding the Fourth Proportional to 12,308.55, 16,985.94 and 7,003.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.55 : 16,985.94 = 7,003.38 : x
2. Step 2: Convert to fraction form
   12,308.55/16,985.94 = 7,003.38/x
3. Step 3: Cross multiply
   12,308.55x = 16,985.94 × 7,003.38
4. Step 4: Simplify right side
   12,308.55x = 118,958,992.48
5. Step 5: Solve for x
   x = 118,958,992.48/12,308.55
6. Step 6: Final answer
   x = 9,664.74