Finding the Fourth Proportional to 12,998.39, 17,937.92 and 7,333.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,998.39 : 17,937.92 = 7,333.40 : x
2. Step 2: Convert to fraction form
   12,998.39/17,937.92 = 7,333.40/x
3. Step 3: Cross multiply
   12,998.39x = 17,937.92 × 7,333.40
4. Step 4: Simplify right side
   12,998.39x = 131,546,005.71
5. Step 5: Solve for x
   x = 131,546,005.71/12,998.39
6. Step 6: Final answer
   x = 10,120.18