Finding the Fourth Proportional to 17,123.46, 23,610.79 and 13,928.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.46 : 23,610.79 = 13,928.01 : x
2. Step 2: Convert to fraction form
   17,123.46/23,610.79 = 13,928.01/x
3. Step 3: Cross multiply
   17,123.46x = 23,610.79 × 13,928.01
4. Step 4: Simplify right side
   17,123.46x = 328,851,319.23
5. Step 5: Solve for x
   x = 328,851,319.23/17,123.46
6. Step 6: Final answer
   x = 19,204.72