Finding the Fourth Proportional to 166,560.81, 229,853.27 and 90,080.00

Step by Step Solution

1. Step 1: Write the proportion equation
   166,560.81 : 229,853.27 = 90,080.00 : x
2. Step 2: Convert to fraction form
   166,560.81/229,853.27 = 90,080.00/x
3. Step 3: Cross multiply
   166,560.81x = 229,853.27 × 90,080.00
4. Step 4: Simplify right side
   166,560.81x = 20,705,182,685.83
5. Step 5: Solve for x
   x = 20,705,182,685.83/166,560.81
6. Step 6: Final answer
   x = 124,310.05