Finding the Fourth Proportional to 12,354.59, 17,048.15 and 7,318.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,354.59 : 17,048.15 = 7,318.82 : x
2. Step 2: Convert to fraction form
   12,354.59/17,048.15 = 7,318.82/x
3. Step 3: Cross multiply
   12,354.59x = 17,048.15 × 7,318.82
4. Step 4: Simplify right side
   12,354.59x = 124,772,274.24
5. Step 5: Solve for x
   x = 124,772,274.24/12,354.59
6. Step 6: Final answer
   x = 10,099.27