Finding the Fourth Proportional to 14,649.72, 21,969.54 and 4,786.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,649.72 : 21,969.54 = 4,786.52 : x
2. Step 2: Convert to fraction form
   14,649.72/21,969.54 = 4,786.52/x
3. Step 3: Cross multiply
   14,649.72x = 21,969.54 × 4,786.52
4. Step 4: Simplify right side
   14,649.72x = 105,157,642.60
5. Step 5: Solve for x
   x = 105,157,642.60/14,649.72
6. Step 6: Final answer
   x = 7,178.13