Finding the Fourth Proportional to 196,435, 271,080.30 and 107,011

Step by Step Solution

1. Step 1: Write the proportion equation
   196,435 : 271,080.30 = 107,011 : x
2. Step 2: Convert to fraction form
   196,435/271,080.30 = 107,011/x
3. Step 3: Cross multiply
   196,435x = 271,080.30 × 107,011
4. Step 4: Simplify right side
   196,435x = 29,008,573,983.30
5. Step 5: Solve for x
   x = 29,008,573,983.30/196,435
6. Step 6: Final answer
   x = 147,675.18