Finding the Fourth Proportional to 219,443.25, 329,165.01 and 53,231.25

Step by Step Solution

1. Step 1: Write the proportion equation
   219,443.25 : 329,165.01 = 53,231.25 : x
2. Step 2: Convert to fraction form
   219,443.25/329,165.01 = 53,231.25/x
3. Step 3: Cross multiply
   219,443.25x = 329,165.01 × 53,231.25
4. Step 4: Simplify right side
   219,443.25x = 17,521,864,938.56
5. Step 5: Solve for x
   x = 17,521,864,938.56/219,443.25
6. Step 6: Final answer
   x = 79,846.91