Finding the Fourth Proportional to 109,838.72, 164,660.64 and 53,648

Step by Step Solution

1. Step 1: Write the proportion equation
   109,838.72 : 164,660.64 = 53,648 : x
2. Step 2: Convert to fraction form
   109,838.72/164,660.64 = 53,648/x
3. Step 3: Cross multiply
   109,838.72x = 164,660.64 × 53,648
4. Step 4: Simplify right side
   109,838.72x = 8,833,714,014.72
5. Step 5: Solve for x
   x = 8,833,714,014.72/109,838.72
6. Step 6: Final answer
   x = 80,424.41