Finding the Fourth Proportional to 3,529.47, 5,300.78 and 3,107.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,529.47 : 5,300.78 = 3,107.46 : x
2. Step 2: Convert to fraction form
   3,529.47/5,300.78 = 3,107.46/x
3. Step 3: Cross multiply
   3,529.47x = 5,300.78 × 3,107.46
4. Step 4: Simplify right side
   3,529.47x = 16,471,976.47
5. Step 5: Solve for x
   x = 16,471,976.47/3,529.47
6. Step 6: Final answer
   x = 4,666.99