Finding the Fourth Proportional to 17,385.23, 26,087.31 and 7,388.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,385.23 : 26,087.31 = 7,388.42 : x
2. Step 2: Convert to fraction form
   17,385.23/26,087.31 = 7,388.42/x
3. Step 3: Cross multiply
   17,385.23x = 26,087.31 × 7,388.42
4. Step 4: Simplify right side
   17,385.23x = 192,743,872.51
5. Step 5: Solve for x
   x = 192,743,872.51/17,385.23
6. Step 6: Final answer
   x = 11,086.64