Finding the Fourth Proportional to 12,307.82, 16,984.42 and 7,003.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,307.82 : 16,984.42 = 7,003.40 : x
2. Step 2: Convert to fraction form
   12,307.82/16,984.42 = 7,003.40/x
3. Step 3: Cross multiply
   12,307.82x = 16,984.42 × 7,003.40
4. Step 4: Simplify right side
   12,307.82x = 118,948,584.60
5. Step 5: Solve for x
   x = 118,948,584.60/12,307.82
6. Step 6: Final answer
   x = 9,664.48