Finding the Fourth Proportional to 17,123.42, 25,690.62 and 7,270.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.42 : 25,690.62 = 7,270.99 : x
2. Step 2: Convert to fraction form
   17,123.42/25,690.62 = 7,270.99/x
3. Step 3: Cross multiply
   17,123.42x = 25,690.62 × 7,270.99
4. Step 4: Simplify right side
   17,123.42x = 186,796,241.11
5. Step 5: Solve for x
   x = 186,796,241.11/17,123.42
6. Step 6: Final answer
   x = 10,908.82