Finding the Fourth Proportional to 11,262.85, 15,543.17 and 7,479.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,262.85 : 15,543.17 = 7,479.49 : x
2. Step 2: Convert to fraction form
   11,262.85/15,543.17 = 7,479.49/x
3. Step 3: Cross multiply
   11,262.85x = 15,543.17 × 7,479.49
4. Step 4: Simplify right side
   11,262.85x = 116,254,984.58
5. Step 5: Solve for x
   x = 116,254,984.58/11,262.85
6. Step 6: Final answer
   x = 10,321.99