Finding the Fourth Proportional to 5,385.42, 7,435.56 and 4,124.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,385.42 : 7,435.56 = 4,124.25 : x
2. Step 2: Convert to fraction form
   5,385.42/7,435.56 = 4,124.25/x
3. Step 3: Cross multiply
   5,385.42x = 7,435.56 × 4,124.25
4. Step 4: Simplify right side
   5,385.42x = 30,666,123.80
5. Step 5: Solve for x
   x = 30,666,123.80/5,385.42
6. Step 6: Final answer
   x = 5,694.29