Finding the Fourth Proportional to 17,200.42, 25,807.94 and 9,400.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,200.42 : 25,807.94 = 9,400.12 : x
2. Step 2: Convert to fraction form
   17,200.42/25,807.94 = 9,400.12/x
3. Step 3: Cross multiply
   17,200.42x = 25,807.94 × 9,400.12
4. Step 4: Simplify right side
   17,200.42x = 242,597,685.95
5. Step 5: Solve for x
   x = 242,597,685.95/17,200.42
6. Step 6: Final answer
   x = 14,104.17