Finding the Fourth Proportional to 5,442.42, 7,501.85 and 4,290.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,442.42 : 7,501.85 = 4,290.73 : x
2. Step 2: Convert to fraction form
   5,442.42/7,501.85 = 4,290.73/x
3. Step 3: Cross multiply
   5,442.42x = 7,501.85 × 4,290.73
4. Step 4: Simplify right side
   5,442.42x = 32,188,353.89
5. Step 5: Solve for x
   x = 32,188,353.89/5,442.42
6. Step 6: Final answer
   x = 5,914.35