Finding the Fourth Proportional to 9,067.66, 13,600.56 and 3,143.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,067.66 : 13,600.56 = 3,143.98 : x
2. Step 2: Convert to fraction form
   9,067.66/13,600.56 = 3,143.98/x
3. Step 3: Cross multiply
   9,067.66x = 13,600.56 × 3,143.98
4. Step 4: Simplify right side
   9,067.66x = 42,759,888.63
5. Step 5: Solve for x
   x = 42,759,888.63/9,067.66
6. Step 6: Final answer
   x = 4,715.65