Finding the Fourth Proportional to 5,485.72, 7,573.76 and 3,806.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,485.72 : 7,573.76 = 3,806.59 : x
2. Step 2: Convert to fraction form
   5,485.72/7,573.76 = 3,806.59/x
3. Step 3: Cross multiply
   5,485.72x = 7,573.76 × 3,806.59
4. Step 4: Simplify right side
   5,485.72x = 28,830,199.08
5. Step 5: Solve for x
   x = 28,830,199.08/5,485.72
6. Step 6: Final answer
   x = 5,255.50