Finding the Fourth Proportional to 6,074.74, 9,108.87 and 3,145.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,074.74 : 9,108.87 = 3,145.78 : x
2. Step 2: Convert to fraction form
   6,074.74/9,108.87 = 3,145.78/x
3. Step 3: Cross multiply
   6,074.74x = 9,108.87 × 3,145.78
4. Step 4: Simplify right side
   6,074.74x = 28,654,501.07
5. Step 5: Solve for x
   x = 28,654,501.07/6,074.74
6. Step 6: Final answer
   x = 4,716.99