Finding the Fourth Proportional to 7,563.72, 10,434.60 and 5,043.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,563.72 : 10,434.60 = 5,043.42 : x
2. Step 2: Convert to fraction form
   7,563.72/10,434.60 = 5,043.42/x
3. Step 3: Cross multiply
   7,563.72x = 10,434.60 × 5,043.42
4. Step 4: Simplify right side
   7,563.72x = 52,626,070.33
5. Step 5: Solve for x
   x = 52,626,070.33/7,563.72
6. Step 6: Final answer
   x = 6,957.70