Finding the Fourth Proportional to 16,100.61, 24,117.67 and 11,945.31

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.61 : 24,117.67 = 11,945.31 : x
2. Step 2: Convert to fraction form
   16,100.61/24,117.67 = 11,945.31/x
3. Step 3: Cross multiply
   16,100.61x = 24,117.67 × 11,945.31
4. Step 4: Simplify right side
   16,100.61x = 288,093,044.63
5. Step 5: Solve for x
   x = 288,093,044.63/16,100.61
6. Step 6: Final answer
   x = 17,893.30