Finding the Fourth Proportional to 14,208.61, 21,300.76 and 5,449.81

Step by Step Solution

1. Step 1: Write the proportion equation
   14,208.61 : 21,300.76 = 5,449.81 : x
2. Step 2: Convert to fraction form
   14,208.61/21,300.76 = 5,449.81/x
3. Step 3: Cross multiply
   14,208.61x = 21,300.76 × 5,449.81
4. Step 4: Simplify right side
   14,208.61x = 116,085,094.86
5. Step 5: Solve for x
   x = 116,085,094.86/14,208.61
6. Step 6: Final answer
   x = 8,170.05