Finding the Fourth Proportional to 6,005.12, 8,999.72 and 3,193.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,005.12 : 8,999.72 = 3,193.37 : x
2. Step 2: Convert to fraction form
   6,005.12/8,999.72 = 3,193.37/x
3. Step 3: Cross multiply
   6,005.12x = 8,999.72 × 3,193.37
4. Step 4: Simplify right side
   6,005.12x = 28,739,419.89
5. Step 5: Solve for x
   x = 28,739,419.89/6,005.12
6. Step 6: Final answer
   x = 4,785.82