Finding the Fourth Proportional to 10,709.61, 14,779.12 and 5,993.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.61 : 14,779.12 = 5,993.89 : x
2. Step 2: Convert to fraction form
   10,709.61/14,779.12 = 5,993.89/x
3. Step 3: Cross multiply
   10,709.61x = 14,779.12 × 5,993.89
4. Step 4: Simplify right side
   10,709.61x = 88,584,419.58
5. Step 5: Solve for x
   x = 88,584,419.58/10,709.61
6. Step 6: Final answer
   x = 8,271.49