Finding the Fourth Proportional to 12,904.52, 17,791.74 and 8,359.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.52 : 17,791.74 = 8,359.18 : x
2. Step 2: Convert to fraction form
   12,904.52/17,791.74 = 8,359.18/x
3. Step 3: Cross multiply
   12,904.52x = 17,791.74 × 8,359.18
4. Step 4: Simplify right side
   12,904.52x = 148,724,357.17
5. Step 5: Solve for x
   x = 148,724,357.17/12,904.52
6. Step 6: Final answer
   x = 11,524.98