Finding the Fourth Proportional to 5,362.42, 7,400.82 and 3,124.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,362.42 : 7,400.82 = 3,124.40 : x
2. Step 2: Convert to fraction form
   5,362.42/7,400.82 = 3,124.40/x
3. Step 3: Cross multiply
   5,362.42x = 7,400.82 × 3,124.40
4. Step 4: Simplify right side
   5,362.42x = 23,123,122.01
5. Step 5: Solve for x
   x = 23,123,122.01/5,362.42
6. Step 6: Final answer
   x = 4,312.07