Finding the Fourth Proportional to 8,090.76, 12,127.50 and 5,775.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,090.76 : 12,127.50 = 5,775.24 : x
2. Step 2: Convert to fraction form
   8,090.76/12,127.50 = 5,775.24/x
3. Step 3: Cross multiply
   8,090.76x = 12,127.50 × 5,775.24
4. Step 4: Simplify right side
   8,090.76x = 70,039,223.10
5. Step 5: Solve for x
   x = 70,039,223.10/8,090.76
6. Step 6: Final answer
   x = 8,656.69