Finding the Fourth Proportional to 119,556.79, 164,981.76 and 65,831.32

Step by Step Solution

1. Step 1: Write the proportion equation
   119,556.79 : 164,981.76 = 65,831.32 : x
2. Step 2: Convert to fraction form
   119,556.79/164,981.76 = 65,831.32/x
3. Step 3: Cross multiply
   119,556.79x = 164,981.76 × 65,831.32
4. Step 4: Simplify right side
   119,556.79x = 10,860,967,036.72
5. Step 5: Solve for x
   x = 10,860,967,036.72/119,556.79
6. Step 6: Final answer
   x = 90,843.58