Finding the Fourth Proportional to 196,443.75, 271,092.38 and 107,019.75

Step by Step Solution

1. Step 1: Write the proportion equation
   196,443.75 : 271,092.38 = 107,019.75 : x
2. Step 2: Convert to fraction form
   196,443.75/271,092.38 = 107,019.75/x
3. Step 3: Cross multiply
   196,443.75x = 271,092.38 × 107,019.75
4. Step 4: Simplify right side
   196,443.75x = 29,012,238,199.41
5. Step 5: Solve for x
   x = 29,012,238,199.41/196,443.75
6. Step 6: Final answer
   x = 147,687.26