Finding the Fourth Proportional to 10,618.53, 15,927.38 and 3,222.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,618.53 : 15,927.38 = 3,222.69 : x
2. Step 2: Convert to fraction form
   10,618.53/15,927.38 = 3,222.69/x
3. Step 3: Cross multiply
   10,618.53x = 15,927.38 × 3,222.69
4. Step 4: Simplify right side
   10,618.53x = 51,329,008.25
5. Step 5: Solve for x
   x = 51,329,008.25/10,618.53
6. Step 6: Final answer
   x = 4,833.91