Finding the Fourth Proportional to 196,498.72, 271,168.18 and 107,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,498.72 : 271,168.18 = 107,074.72 : x
2. Step 2: Convert to fraction form
   196,498.72/271,168.18 = 107,074.72/x
3. Step 3: Cross multiply
   196,498.72x = 271,168.18 × 107,074.72
4. Step 4: Simplify right side
   196,498.72x = 29,035,256,946.41
5. Step 5: Solve for x
   x = 29,035,256,946.41/196,498.72
6. Step 6: Final answer
   x = 147,763.08