Finding the Fourth Proportional to 25,118, 34,663.92 and 13,940

Step by Step Solution

1. Step 1: Write the proportion equation
   25,118 : 34,663.92 = 13,940 : x
2. Step 2: Convert to fraction form
   25,118/34,663.92 = 13,940/x
3. Step 3: Cross multiply
   25,118x = 34,663.92 × 13,940
4. Step 4: Simplify right side
   25,118x = 483,215,044.80
5. Step 5: Solve for x
   x = 483,215,044.80/25,118
6. Step 6: Final answer
   x = 19,237.80