Finding the Fourth Proportional to 14,411.56, 19,887.97 and 7,787.56

Step by Step Solution

1. Step 1: Write the proportion equation
   14,411.56 : 19,887.97 = 7,787.56 : x
2. Step 2: Convert to fraction form
   14,411.56/19,887.97 = 7,787.56/x
3. Step 3: Cross multiply
   14,411.56x = 19,887.97 × 7,787.56
4. Step 4: Simplify right side
   14,411.56x = 154,878,759.65
5. Step 5: Solve for x
   x = 154,878,759.65/14,411.56
6. Step 6: Final answer
   x = 10,746.84