Finding the Fourth Proportional to 11,431.52, 17,150.37 and 4,765.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,431.52 : 17,150.37 = 4,765.81 : x
2. Step 2: Convert to fraction form
   11,431.52/17,150.37 = 4,765.81/x
3. Step 3: Cross multiply
   11,431.52x = 17,150.37 × 4,765.81
4. Step 4: Simplify right side
   11,431.52x = 81,735,303.91
5. Step 5: Solve for x
   x = 81,735,303.91/11,431.52
6. Step 6: Final answer
   x = 7,149.99