Finding the Fourth Proportional to 48,051.72, 72,067.56 and 12,983.16

Step by Step Solution

1. Step 1: Write the proportion equation
   48,051.72 : 72,067.56 = 12,983.16 : x
2. Step 2: Convert to fraction form
   48,051.72/72,067.56 = 12,983.16/x
3. Step 3: Cross multiply
   48,051.72x = 72,067.56 × 12,983.16
4. Step 4: Simplify right side
   48,051.72x = 935,664,662.29
5. Step 5: Solve for x
   x = 935,664,662.29/48,051.72
6. Step 6: Final answer
   x = 19,472.03