Finding the Fourth Proportional to 11,583.41, 17,438.42 and 7,908.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,583.41 : 17,438.42 = 7,908.91 : x
2. Step 2: Convert to fraction form
   11,583.41/17,438.42 = 7,908.91/x
3. Step 3: Cross multiply
   11,583.41x = 17,438.42 × 7,908.91
4. Step 4: Simplify right side
   11,583.41x = 137,918,870.50
5. Step 5: Solve for x
   x = 137,918,870.50/11,583.41
6. Step 6: Final answer
   x = 11,906.59