Finding the Fourth Proportional to 14,100.82, 21,152.65 and 5,218.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,100.82 : 21,152.65 = 5,218.49 : x
2. Step 2: Convert to fraction form
   14,100.82/21,152.65 = 5,218.49/x
3. Step 3: Cross multiply
   14,100.82x = 21,152.65 × 5,218.49
4. Step 4: Simplify right side
   14,100.82x = 110,384,892.50
5. Step 5: Solve for x
   x = 110,384,892.50/14,100.82
6. Step 6: Final answer
   x = 7,828.26