Finding the Fourth Proportional to 7,456.77, 11,185.50 and 5,275.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,456.77 : 11,185.50 = 5,275.25 : x
2. Step 2: Convert to fraction form
   7,456.77/11,185.50 = 5,275.25/x
3. Step 3: Cross multiply
   7,456.77x = 11,185.50 × 5,275.25
4. Step 4: Simplify right side
   7,456.77x = 59,006,308.88
5. Step 5: Solve for x
   x = 59,006,308.88/7,456.77
6. Step 6: Final answer
   x = 7,913.12