Finding the Fourth Proportional to 23,173.32, 31,979.16 and 12,562.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,173.32 : 31,979.16 = 12,562.86 : x
2. Step 2: Convert to fraction form
   23,173.32/31,979.16 = 12,562.86/x
3. Step 3: Cross multiply
   23,173.32x = 31,979.16 × 12,562.86
4. Step 4: Simplify right side
   23,173.32x = 401,749,710.00
5. Step 5: Solve for x
   x = 401,749,710.00/23,173.32
6. Step 6: Final answer
   x = 17,336.74