Finding the Fourth Proportional to 14,530.06, 21,787.52 and 5,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,530.06 : 21,787.52 = 5,168.72 : x
2. Step 2: Convert to fraction form
   14,530.06/21,787.52 = 5,168.72/x
3. Step 3: Cross multiply
   14,530.06x = 21,787.52 × 5,168.72
4. Step 4: Simplify right side
   14,530.06x = 112,613,590.37
5. Step 5: Solve for x
   x = 112,613,590.37/14,530.06
6. Step 6: Final answer
   x = 7,750.39