Finding the Fourth Proportional to 10,111.29, 15,171.75 and 4,566.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.29 : 15,171.75 = 4,566.36 : x
2. Step 2: Convert to fraction form
   10,111.29/15,171.75 = 4,566.36/x
3. Step 3: Cross multiply
   10,111.29x = 15,171.75 × 4,566.36
4. Step 4: Simplify right side
   10,111.29x = 69,279,672.33
5. Step 5: Solve for x
   x = 69,279,672.33/10,111.29
6. Step 6: Final answer
   x = 6,851.71