Finding the Fourth Proportional to 196,439, 271,085.82 and 107,015

Step by Step Solution

1. Step 1: Write the proportion equation
   196,439 : 271,085.82 = 107,015 : x
2. Step 2: Convert to fraction form
   196,439/271,085.82 = 107,015/x
3. Step 3: Cross multiply
   196,439x = 271,085.82 × 107,015
4. Step 4: Simplify right side
   196,439x = 29,010,249,027.30
5. Step 5: Solve for x
   x = 29,010,249,027.30/196,439
6. Step 6: Final answer
   x = 147,680.70