Finding the Fourth Proportional to 23,109.33, 31,890.85 and 12,498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.33 : 31,890.85 = 12,498.94 : x
2. Step 2: Convert to fraction form
   23,109.33/31,890.85 = 12,498.94/x
3. Step 3: Cross multiply
   23,109.33x = 31,890.85 × 12,498.94
4. Step 4: Simplify right side
   23,109.33x = 398,601,820.70
5. Step 5: Solve for x
   x = 398,601,820.70/23,109.33
6. Step 6: Final answer
   x = 17,248.52