Finding the Fourth Proportional to 196,894, 271,713.72 and 107,470

Step by Step Solution

1. Step 1: Write the proportion equation
   196,894 : 271,713.72 = 107,470 : x
2. Step 2: Convert to fraction form
   196,894/271,713.72 = 107,470/x
3. Step 3: Cross multiply
   196,894x = 271,713.72 × 107,470
4. Step 4: Simplify right side
   196,894x = 29,201,073,488.40
5. Step 5: Solve for x
   x = 29,201,073,488.40/196,894
6. Step 6: Final answer
   x = 148,308.60