Finding the Fourth Proportional to 25,320.72, 37,985.94 and 7,787.46

Step by Step Solution

1. Step 1: Write the proportion equation
   25,320.72 : 37,985.94 = 7,787.46 : x
2. Step 2: Convert to fraction form
   25,320.72/37,985.94 = 7,787.46/x
3. Step 3: Cross multiply
   25,320.72x = 37,985.94 × 7,787.46
4. Step 4: Simplify right side
   25,320.72x = 295,813,988.31
5. Step 5: Solve for x
   x = 295,813,988.31/25,320.72
6. Step 6: Final answer
   x = 11,682.68