Finding the Fourth Proportional to 219,485.33, 329,225.59 and 53,273.33

Step by Step Solution

1. Step 1: Write the proportion equation
   219,485.33 : 329,225.59 = 53,273.33 : x
2. Step 2: Convert to fraction form
   219,485.33/329,225.59 = 53,273.33/x
3. Step 3: Cross multiply
   219,485.33x = 329,225.59 × 53,273.33
4. Step 4: Simplify right side
   219,485.33x = 17,538,943,500.51
5. Step 5: Solve for x
   x = 17,538,943,500.51/219,485.33
6. Step 6: Final answer
   x = 79,909.41