Finding the Fourth Proportional to 196,758.72, 271,526.40 and 107,334.72

Step by Step Solution

1. Step 1: Write the proportion equation
   196,758.72 : 271,526.40 = 107,334.72 : x
2. Step 2: Convert to fraction form
   196,758.72/271,526.40 = 107,334.72/x
3. Step 3: Cross multiply
   196,758.72x = 271,526.40 × 107,334.72
4. Step 4: Simplify right side
   196,758.72x = 29,144,210,116.61
5. Step 5: Solve for x
   x = 29,144,210,116.61/196,758.72
6. Step 6: Final answer
   x = 148,121.57