Finding the Fourth Proportional to 123,066.57, 169,831.89 and 66,477.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,066.57 : 169,831.89 = 66,477.96 : x
2. Step 2: Convert to fraction form
   123,066.57/169,831.89 = 66,477.96/x
3. Step 3: Cross multiply
   123,066.57x = 169,831.89 × 66,477.96
4. Step 4: Simplify right side
   123,066.57x = 11,290,077,590.14
5. Step 5: Solve for x
   x = 11,290,077,590.14/123,066.57
6. Step 6: Final answer
   x = 91,739.60