Finding the Fourth Proportional to 11,294.35, 15,576.24 and 7,931.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,294.35 : 15,576.24 = 7,931.15 : x
2. Step 2: Convert to fraction form
   11,294.35/15,576.24 = 7,931.15/x
3. Step 3: Cross multiply
   11,294.35x = 15,576.24 × 7,931.15
4. Step 4: Simplify right side
   11,294.35x = 123,537,495.88
5. Step 5: Solve for x
   x = 123,537,495.88/11,294.35
6. Step 6: Final answer
   x = 10,937.99