Finding the Fourth Proportional to 166,665.88, 250,024.78 and 54,320.03

Step by Step Solution

1. Step 1: Write the proportion equation
   166,665.88 : 250,024.78 = 54,320.03 : x
2. Step 2: Convert to fraction form
   166,665.88/250,024.78 = 54,320.03/x
3. Step 3: Cross multiply
   166,665.88x = 250,024.78 × 54,320.03
4. Step 4: Simplify right side
   166,665.88x = 13,581,352,300.22
5. Step 5: Solve for x
   x = 13,581,352,300.22/166,665.88
6. Step 6: Final answer
   x = 81,488.50