Finding the Fourth Proportional to 14,271.79, 21,409.98 and 4,909.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,271.79 : 21,409.98 = 4,909.52 : x
2. Step 2: Convert to fraction form
   14,271.79/21,409.98 = 4,909.52/x
3. Step 3: Cross multiply
   14,271.79x = 21,409.98 × 4,909.52
4. Step 4: Simplify right side
   14,271.79x = 105,112,778.53
5. Step 5: Solve for x
   x = 105,112,778.53/14,271.79
6. Step 6: Final answer
   x = 7,365.07