Finding the Fourth Proportional to 6,180.74, 8,530.42 and 3,529.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,180.74 : 8,530.42 = 3,529.02 : x
2. Step 2: Convert to fraction form
   6,180.74/8,530.42 = 3,529.02/x
3. Step 3: Cross multiply
   6,180.74x = 8,530.42 × 3,529.02
4. Step 4: Simplify right side
   6,180.74x = 30,104,022.79
5. Step 5: Solve for x
   x = 30,104,022.79/6,180.74
6. Step 6: Final answer
   x = 4,870.62