Finding the Fourth Proportional to 17,123.12, 25,684.56 and 4,811.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.12 : 25,684.56 = 4,811.12 : x
2. Step 2: Convert to fraction form
   17,123.12/25,684.56 = 4,811.12/x
3. Step 3: Cross multiply
   17,123.12x = 25,684.56 × 4,811.12
4. Step 4: Simplify right side
   17,123.12x = 123,571,500.31
5. Step 5: Solve for x
   x = 123,571,500.31/17,123.12
6. Step 6: Final answer
   x = 7,216.65