Finding the Fourth Proportional to 25,436.84, 38,156.04 and 7,906.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,436.84 : 38,156.04 = 7,906.76 : x
2. Step 2: Convert to fraction form
   25,436.84/38,156.04 = 7,906.76/x
3. Step 3: Cross multiply
   25,436.84x = 38,156.04 × 7,906.76
4. Step 4: Simplify right side
   25,436.84x = 301,690,650.83
5. Step 5: Solve for x
   x = 301,690,650.83/25,436.84
6. Step 6: Final answer
   x = 11,860.38