Finding the Fourth Proportional to 12,999.17, 17,937.54 and 7,333.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,999.17 : 17,937.54 = 7,333.40 : x
2. Step 2: Convert to fraction form
   12,999.17/17,937.54 = 7,333.40/x
3. Step 3: Cross multiply
   12,999.17x = 17,937.54 × 7,333.40
4. Step 4: Simplify right side
   12,999.17x = 131,543,066.15
5. Step 5: Solve for x
   x = 131,543,066.15/12,999.17
6. Step 6: Final answer
   x = 10,119.35