Finding the Fourth Proportional to 14,272.79, 21,411.48 and 4,910.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,272.79 : 21,411.48 = 4,910.52 : x
2. Step 2: Convert to fraction form
   14,272.79/21,411.48 = 4,910.52/x
3. Step 3: Cross multiply
   14,272.79x = 21,411.48 × 4,910.52
4. Step 4: Simplify right side
   14,272.79x = 105,141,500.77
5. Step 5: Solve for x
   x = 105,141,500.77/14,272.79
6. Step 6: Final answer
   x = 7,366.57