Finding the Fourth Proportional to 8,742.83, 13,119.69 and 3,548.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,742.83 : 13,119.69 = 3,548.70 : x
2. Step 2: Convert to fraction form
   8,742.83/13,119.69 = 3,548.70/x
3. Step 3: Cross multiply
   8,742.83x = 13,119.69 × 3,548.70
4. Step 4: Simplify right side
   8,742.83x = 46,557,843.90
5. Step 5: Solve for x
   x = 46,557,843.90/8,742.83
6. Step 6: Final answer
   x = 5,325.26