Finding the Fourth Proportional to 23,106.32, 31,886.72 and 12,495.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,106.32 : 31,886.72 = 12,495.96 : x
2. Step 2: Convert to fraction form
   23,106.32/31,886.72 = 12,495.96/x
3. Step 3: Cross multiply
   23,106.32x = 31,886.72 × 12,495.96
4. Step 4: Simplify right side
   23,106.32x = 398,455,177.65
5. Step 5: Solve for x
   x = 398,455,177.65/23,106.32
6. Step 6: Final answer
   x = 17,244.42