Finding the Fourth Proportional to 11,417.52, 17,116.96 and 5,087.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,417.52 : 17,116.96 = 5,087.76 : x
2. Step 2: Convert to fraction form
   11,417.52/17,116.96 = 5,087.76/x
3. Step 3: Cross multiply
   11,417.52x = 17,116.96 × 5,087.76
4. Step 4: Simplify right side
   11,417.52x = 87,086,984.41
5. Step 5: Solve for x
   x = 87,086,984.41/11,417.52
6. Step 6: Final answer
   x = 7,627.49