Finding the Fourth Proportional to 12,999.18, 17,937.86 and 7,334.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,999.18 : 17,937.86 = 7,334.84 : x
2. Step 2: Convert to fraction form
   12,999.18/17,937.86 = 7,334.84/x
3. Step 3: Cross multiply
   12,999.18x = 17,937.86 × 7,334.84
4. Step 4: Simplify right side
   12,999.18x = 131,571,333.04
5. Step 5: Solve for x
   x = 131,571,333.04/12,999.18
6. Step 6: Final answer
   x = 10,121.51