Finding the Fourth Proportional to 12,994.48, 17,934.01 and 7,962.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,994.48 : 17,934.01 = 7,962.10 : x
2. Step 2: Convert to fraction form
   12,994.48/17,934.01 = 7,962.10/x
3. Step 3: Cross multiply
   12,994.48x = 17,934.01 × 7,962.10
4. Step 4: Simplify right side
   12,994.48x = 142,792,316.28
5. Step 5: Solve for x
   x = 142,792,316.28/12,994.48
6. Step 6: Final answer
   x = 10,988.69