Finding the Fourth Proportional to 7,756.29, 10,703.59 and 4,219.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,756.29 : 10,703.59 = 4,219.42 : x
2. Step 2: Convert to fraction form
   7,756.29/10,703.59 = 4,219.42/x
3. Step 3: Cross multiply
   7,756.29x = 10,703.59 × 4,219.42
4. Step 4: Simplify right side
   7,756.29x = 45,162,941.72
5. Step 5: Solve for x
   x = 45,162,941.72/7,756.29
6. Step 6: Final answer
   x = 5,822.75