Finding the Fourth Proportional to 5,109.52, 7,050.96 and 3,119.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.52 : 7,050.96 = 3,119.36 : x
2. Step 2: Convert to fraction form
   5,109.52/7,050.96 = 3,119.36/x
3. Step 3: Cross multiply
   5,109.52x = 7,050.96 × 3,119.36
4. Step 4: Simplify right side
   5,109.52x = 21,994,482.59
5. Step 5: Solve for x
   x = 21,994,482.59/5,109.52
6. Step 6: Final answer
   x = 4,304.61