Finding the Fourth Proportional to 5,758.69, 8,627.56 and 3,999.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,758.69 : 8,627.56 = 3,999.98 : x
2. Step 2: Convert to fraction form
   5,758.69/8,627.56 = 3,999.98/x
3. Step 3: Cross multiply
   5,758.69x = 8,627.56 × 3,999.98
4. Step 4: Simplify right side
   5,758.69x = 34,510,004.31
5. Step 5: Solve for x
   x = 34,510,004.31/5,758.69
6. Step 6: Final answer
   x = 5,992.68