Finding the Fourth Proportional to 131,665.64, 196,485.98 and 117,668.84

Step by Step Solution

1. Step 1: Write the proportion equation
   131,665.64 : 196,485.98 = 117,668.84 : x
2. Step 2: Convert to fraction form
   131,665.64/196,485.98 = 117,668.84/x
3. Step 3: Cross multiply
   131,665.64x = 196,485.98 × 117,668.84
4. Step 4: Simplify right side
   131,665.64x = 23,120,277,342.86
5. Step 5: Solve for x
   x = 23,120,277,342.86/131,665.64
6. Step 6: Final answer
   x = 175,598.41