Finding the Fourth Proportional to 166,469.88, 249,739.38 and 55,659

Step by Step Solution

1. Step 1: Write the proportion equation
   166,469.88 : 249,739.38 = 55,659 : x
2. Step 2: Convert to fraction form
   166,469.88/249,739.38 = 55,659/x
3. Step 3: Cross multiply
   166,469.88x = 249,739.38 × 55,659
4. Step 4: Simplify right side
   166,469.88x = 13,900,244,151.42
5. Step 5: Solve for x
   x = 13,900,244,151.42/166,469.88
6. Step 6: Final answer
   x = 83,500.06