Finding the Fourth Proportional to 4,942.31, 7,413.85 and 1,432.37

Step by Step Solution

1. Step 1: Write the proportion equation
   4,942.31 : 7,413.85 = 1,432.37 : x
2. Step 2: Convert to fraction form
   4,942.31/7,413.85 = 1,432.37/x
3. Step 3: Cross multiply
   4,942.31x = 7,413.85 × 1,432.37
4. Step 4: Simplify right side
   4,942.31x = 10,619,376.32
5. Step 5: Solve for x
   x = 10,619,376.32/4,942.31
6. Step 6: Final answer
   x = 2,148.67