Finding the Fourth Proportional to 14,272.48, 21,411.88 and 4,276.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,272.48 : 21,411.88 = 4,276.82 : x
2. Step 2: Convert to fraction form
   14,272.48/21,411.88 = 4,276.82/x
3. Step 3: Cross multiply
   14,272.48x = 21,411.88 × 4,276.82
4. Step 4: Simplify right side
   14,272.48x = 91,574,799.46
5. Step 5: Solve for x
   x = 91,574,799.46/14,272.48
6. Step 6: Final answer
   x = 6,416.18