Finding the Fourth Proportional to 5,107.56, 7,050.59 and 3,118.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107.56 : 7,050.59 = 3,118.83 : x
2. Step 2: Convert to fraction form
   5,107.56/7,050.59 = 3,118.83/x
3. Step 3: Cross multiply
   5,107.56x = 7,050.59 × 3,118.83
4. Step 4: Simplify right side
   5,107.56x = 21,989,591.61
5. Step 5: Solve for x
   x = 21,989,591.61/5,107.56
6. Step 6: Final answer
   x = 4,305.30