Finding the Fourth Proportional to 12,314.16, 18,475.56 and 10,479.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.16 : 18,475.56 = 10,479.24 : x
2. Step 2: Convert to fraction form
   12,314.16/18,475.56 = 10,479.24/x
3. Step 3: Cross multiply
   12,314.16x = 18,475.56 × 10,479.24
4. Step 4: Simplify right side
   12,314.16x = 193,609,827.37
5. Step 5: Solve for x
   x = 193,609,827.37/12,314.16
6. Step 6: Final answer
   x = 15,722.54