Finding the Fourth Proportional to 219,443.06, 329,164.73 and 53,231.06

Step by Step Solution

1. Step 1: Write the proportion equation
   219,443.06 : 329,164.73 = 53,231.06 : x
2. Step 2: Convert to fraction form
   219,443.06/329,164.73 = 53,231.06/x
3. Step 3: Cross multiply
   219,443.06x = 329,164.73 × 53,231.06
4. Step 4: Simplify right side
   219,443.06x = 17,521,788,248.89
5. Step 5: Solve for x
   x = 17,521,788,248.89/219,443.06
6. Step 6: Final answer
   x = 79,846.63