Finding the Fourth Proportional to 14,430.24, 21,649.20 and 5,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,430.24 : 21,649.20 = 5,196.96 : x
2. Step 2: Convert to fraction form
   14,430.24/21,649.20 = 5,196.96/x
3. Step 3: Cross multiply
   14,430.24x = 21,649.20 × 5,196.96
4. Step 4: Simplify right side
   14,430.24x = 112,510,026.43
5. Step 5: Solve for x
   x = 112,510,026.43/14,430.24
6. Step 6: Final answer
   x = 7,796.82