Finding the Fourth Proportional to 5,485.80, 7,567.68 and 3,914.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,485.80 : 7,567.68 = 3,914.82 : x
2. Step 2: Convert to fraction form
   5,485.80/7,567.68 = 3,914.82/x
3. Step 3: Cross multiply
   5,485.80x = 7,567.68 × 3,914.82
4. Step 4: Simplify right side
   5,485.80x = 29,626,105.02
5. Step 5: Solve for x
   x = 29,626,105.02/5,485.80
6. Step 6: Final answer
   x = 5,400.51