Finding the Fourth Proportional to 5,928.69, 8,888.93 and 3,589.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,928.69 : 8,888.93 = 3,589.31 : x
2. Step 2: Convert to fraction form
   5,928.69/8,888.93 = 3,589.31/x
3. Step 3: Cross multiply
   5,928.69x = 8,888.93 × 3,589.31
4. Step 4: Simplify right side
   5,928.69x = 31,905,080.89
5. Step 5: Solve for x
   x = 31,905,080.89/5,928.69
6. Step 6: Final answer
   x = 5,381.47