Finding the Fourth Proportional to 219,321.52, 328,983.90 and 53,109.52

Step by Step Solution

1. Step 1: Write the proportion equation
   219,321.52 : 328,983.90 = 53,109.52 : x
2. Step 2: Convert to fraction form
   219,321.52/328,983.90 = 53,109.52/x
3. Step 3: Cross multiply
   219,321.52x = 328,983.90 × 53,109.52
4. Step 4: Simplify right side
   219,321.52x = 17,472,177,016.73
5. Step 5: Solve for x
   x = 17,472,177,016.73/219,321.52
6. Step 6: Final answer
   x = 79,664.67