Finding the Fourth Proportional to 12,984.39, 17,912.58 and 7,946.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,984.39 : 17,912.58 = 7,946.59 : x
2. Step 2: Convert to fraction form
   12,984.39/17,912.58 = 7,946.59/x
3. Step 3: Cross multiply
   12,984.39x = 17,912.58 × 7,946.59
4. Step 4: Simplify right side
   12,984.39x = 142,343,929.10
5. Step 5: Solve for x
   x = 142,343,929.10/12,984.39
6. Step 6: Final answer
   x = 10,962.70