Finding the Fourth Proportional to 12,307.34, 16,984.18 and 7,002.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,307.34 : 16,984.18 = 7,002.05 : x
2. Step 2: Convert to fraction form
   12,307.34/16,984.18 = 7,002.05/x
3. Step 3: Cross multiply
   12,307.34x = 16,984.18 × 7,002.05
4. Step 4: Simplify right side
   12,307.34x = 118,924,001.40
5. Step 5: Solve for x
   x = 118,924,001.40/12,307.34
6. Step 6: Final answer
   x = 9,662.85