Finding the Fourth Proportional to 166,507.76, 229,807.86 and 123,771.08

Step by Step Solution

1. Step 1: Write the proportion equation
   166,507.76 : 229,807.86 = 123,771.08 : x
2. Step 2: Convert to fraction form
   166,507.76/229,807.86 = 123,771.08/x
3. Step 3: Cross multiply
   166,507.76x = 229,807.86 × 123,771.08
4. Step 4: Simplify right side
   166,507.76x = 28,443,567,024.69
5. Step 5: Solve for x
   x = 28,443,567,024.69/166,507.76
6. Step 6: Final answer
   x = 170,824.27