Finding the Fourth Proportional to 11,870.34, 17,789.58 and 9,241.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.34 : 17,789.58 = 9,241.08 : x
2. Step 2: Convert to fraction form
   11,870.34/17,789.58 = 9,241.08/x
3. Step 3: Cross multiply
   11,870.34x = 17,789.58 × 9,241.08
4. Step 4: Simplify right side
   11,870.34x = 164,394,931.95
5. Step 5: Solve for x
   x = 164,394,931.95/11,870.34
6. Step 6: Final answer
   x = 13,849.22