Finding the Fourth Proportional to 23,044.42, 31,799.48 and 12,970.86

Step by Step Solution

1. Step 1: Write the proportion equation
   23,044.42 : 31,799.48 = 12,970.86 : x
2. Step 2: Convert to fraction form
   23,044.42/31,799.48 = 12,970.86/x
3. Step 3: Cross multiply
   23,044.42x = 31,799.48 × 12,970.86
4. Step 4: Simplify right side
   23,044.42x = 412,466,603.15
5. Step 5: Solve for x
   x = 412,466,603.15/23,044.42
6. Step 6: Final answer
   x = 17,898.76