Finding the Fourth Proportional to 19,766.16, 29,766.42 and 17,200.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,766.16 : 29,766.42 = 17,200.08 : x
2. Step 2: Convert to fraction form
   19,766.16/29,766.42 = 17,200.08/x
3. Step 3: Cross multiply
   19,766.16x = 29,766.42 × 17,200.08
4. Step 4: Simplify right side
   19,766.16x = 511,984,805.31
5. Step 5: Solve for x
   x = 511,984,805.31/19,766.16
6. Step 6: Final answer
   x = 25,902.09