Finding the Fourth Proportional to 14,648.58, 21,974.22 and 4,787.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,648.58 : 21,974.22 = 4,787.91 : x
2. Step 2: Convert to fraction form
   14,648.58/21,974.22 = 4,787.91/x
3. Step 3: Cross multiply
   14,648.58x = 21,974.22 × 4,787.91
4. Step 4: Simplify right side
   14,648.58x = 105,210,587.68
5. Step 5: Solve for x
   x = 105,210,587.68/14,648.58
6. Step 6: Final answer
   x = 7,182.31