Finding the Fourth Proportional to 6,059.37, 9,080.76 and 3,139.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,059.37 : 9,080.76 = 3,139.74 : x
2. Step 2: Convert to fraction form
   6,059.37/9,080.76 = 3,139.74/x
3. Step 3: Cross multiply
   6,059.37x = 9,080.76 × 3,139.74
4. Step 4: Simplify right side
   6,059.37x = 28,511,225.40
5. Step 5: Solve for x
   x = 28,511,225.40/6,059.37
6. Step 6: Final answer
   x = 4,705.31