Finding the Fourth Proportional to 8,974.93, 13,462.47 and 3,131.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,974.93 : 13,462.47 = 3,131.53 : x
2. Step 2: Convert to fraction form
   8,974.93/13,462.47 = 3,131.53/x
3. Step 3: Cross multiply
   8,974.93x = 13,462.47 × 3,131.53
4. Step 4: Simplify right side
   8,974.93x = 42,158,053.54
5. Step 5: Solve for x
   x = 42,158,053.54/8,974.93
6. Step 6: Final answer
   x = 4,697.32