Finding the Fourth Proportional to 7,751.59, 10,697.28 and 4,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,751.59 : 10,697.28 = 4,214.72 : x
2. Step 2: Convert to fraction form
   7,751.59/10,697.28 = 4,214.72/x
3. Step 3: Cross multiply
   7,751.59x = 10,697.28 × 4,214.72
4. Step 4: Simplify right side
   7,751.59x = 45,086,039.96
5. Step 5: Solve for x
   x = 45,086,039.96/7,751.59
6. Step 6: Final answer
   x = 5,816.36