Finding the Fourth Proportional to 3,499.52, 5,247.73 and 1,855.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,499.52 : 5,247.73 = 1,855.69 : x
2. Step 2: Convert to fraction form
   3,499.52/5,247.73 = 1,855.69/x
3. Step 3: Cross multiply
   3,499.52x = 5,247.73 × 1,855.69
4. Step 4: Simplify right side
   3,499.52x = 9,738,124.57
5. Step 5: Solve for x
   x = 9,738,124.57/3,499.52
6. Step 6: Final answer
   x = 2,782.71