Finding the Fourth Proportional to 5,473.38, 7,559.56 and 3,987.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,473.38 : 7,559.56 = 3,987.94 : x
2. Step 2: Convert to fraction form
   5,473.38/7,559.56 = 3,987.94/x
3. Step 3: Cross multiply
   5,473.38x = 7,559.56 × 3,987.94
4. Step 4: Simplify right side
   5,473.38x = 30,147,071.71
5. Step 5: Solve for x
   x = 30,147,071.71/5,473.38
6. Step 6: Final answer
   x = 5,507.94