Finding the Fourth Proportional to 7,749.17, 10,693.72 and 4,212.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,749.17 : 10,693.72 = 4,212.35 : x
2. Step 2: Convert to fraction form
   7,749.17/10,693.72 = 4,212.35/x
3. Step 3: Cross multiply
   7,749.17x = 10,693.72 × 4,212.35
4. Step 4: Simplify right side
   7,749.17x = 45,045,743.49
5. Step 5: Solve for x
   x = 45,045,743.49/7,749.17
6. Step 6: Final answer
   x = 5,812.98