Finding the Fourth Proportional to 12,036.52, 18,056.94 and 10,317.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,036.52 : 18,056.94 = 10,317.16 : x
2. Step 2: Convert to fraction form
   12,036.52/18,056.94 = 10,317.16/x
3. Step 3: Cross multiply
   12,036.52x = 18,056.94 × 10,317.16
4. Step 4: Simplify right side
   12,036.52x = 186,296,339.09
5. Step 5: Solve for x
   x = 186,296,339.09/12,036.52
6. Step 6: Final answer
   x = 15,477.59