Finding the Fourth Proportional to 48,974.47, 73,462.52 and 13,912.81

Step by Step Solution

1. Step 1: Write the proportion equation
   48,974.47 : 73,462.52 = 13,912.81 : x
2. Step 2: Convert to fraction form
   48,974.47/73,462.52 = 13,912.81/x
3. Step 3: Cross multiply
   48,974.47x = 73,462.52 × 13,912.81
4. Step 4: Simplify right side
   48,974.47x = 1,022,070,013.32
5. Step 5: Solve for x
   x = 1,022,070,013.32/48,974.47
6. Step 6: Final answer
   x = 20,869.45