Finding the Fourth Proportional to 7,773.21, 10,718.56 and 5,250.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,773.21 : 10,718.56 = 5,250.94 : x
2. Step 2: Convert to fraction form
   7,773.21/10,718.56 = 5,250.94/x
3. Step 3: Cross multiply
   7,773.21x = 10,718.56 × 5,250.94
4. Step 4: Simplify right side
   7,773.21x = 56,282,515.45
5. Step 5: Solve for x
   x = 56,282,515.45/7,773.21
6. Step 6: Final answer
   x = 7,240.58