Finding the Fourth Proportional to 7,753.07, 10,699.20 and 4,216.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,753.07 : 10,699.20 = 4,216.34 : x
2. Step 2: Convert to fraction form
   7,753.07/10,699.20 = 4,216.34/x
3. Step 3: Cross multiply
   7,753.07x = 10,699.20 × 4,216.34
4. Step 4: Simplify right side
   7,753.07x = 45,111,411.43
5. Step 5: Solve for x
   x = 45,111,411.43/7,753.07
6. Step 6: Final answer
   x = 5,818.53