Finding the Fourth Proportional to 8,760.93, 13,131.61 and 3,494.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760.93 : 13,131.61 = 3,494.55 : x
2. Step 2: Convert to fraction form
   8,760.93/13,131.61 = 3,494.55/x
3. Step 3: Cross multiply
   8,760.93x = 13,131.61 × 3,494.55
4. Step 4: Simplify right side
   8,760.93x = 45,889,067.73
5. Step 5: Solve for x
   x = 45,889,067.73/8,760.93
6. Step 6: Final answer
   x = 5,237.92