Finding the Fourth Proportional to 7,557.69, 10,429.41 and 4,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,557.69 : 10,429.41 = 4,200.42 : x
2. Step 2: Convert to fraction form
   7,557.69/10,429.41 = 4,200.42/x
3. Step 3: Cross multiply
   7,557.69x = 10,429.41 × 4,200.42
4. Step 4: Simplify right side
   7,557.69x = 43,807,902.35
5. Step 5: Solve for x
   x = 43,807,902.35/7,557.69
6. Step 6: Final answer
   x = 5,796.47