Finding the Fourth Proportional to 23,070.08, 31,836.70 and 12,459.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,070.08 : 31,836.70 = 12,459.72 : x
2. Step 2: Convert to fraction form
   23,070.08/31,836.70 = 12,459.72/x
3. Step 3: Cross multiply
   23,070.08x = 31,836.70 × 12,459.72
4. Step 4: Simplify right side
   23,070.08x = 396,676,367.72
5. Step 5: Solve for x
   x = 396,676,367.72/23,070.08
6. Step 6: Final answer
   x = 17,194.41