Finding the Fourth Proportional to 14,648.31, 21,975.84 and 4,787.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,648.31 : 21,975.84 = 4,787.69 : x
2. Step 2: Convert to fraction form
   14,648.31/21,975.84 = 4,787.69/x
3. Step 3: Cross multiply
   14,648.31x = 21,975.84 × 4,787.69
4. Step 4: Simplify right side
   14,648.31x = 105,213,399.53
5. Step 5: Solve for x
   x = 105,213,399.53/14,648.31
6. Step 6: Final answer
   x = 7,182.63