Finding the Fourth Proportional to 7,753.50, 10,699.94 and 4,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,753.50 : 10,699.94 = 4,216.72 : x
2. Step 2: Convert to fraction form
   7,753.50/10,699.94 = 4,216.72/x
3. Step 3: Cross multiply
   7,753.50x = 10,699.94 × 4,216.72
4. Step 4: Simplify right side
   7,753.50x = 45,118,651.00
5. Step 5: Solve for x
   x = 45,118,651.00/7,753.50
6. Step 6: Final answer
   x = 5,819.13