Finding the Fourth Proportional to 5,422.39, 7,483.72 and 3,937.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.39 : 7,483.72 = 3,937.05 : x
2. Step 2: Convert to fraction form
   5,422.39/7,483.72 = 3,937.05/x
3. Step 3: Cross multiply
   5,422.39x = 7,483.72 × 3,937.05
4. Step 4: Simplify right side
   5,422.39x = 29,463,779.83
5. Step 5: Solve for x
   x = 29,463,779.83/5,422.39
6. Step 6: Final answer
   x = 5,433.73