Finding the Fourth Proportional to 196,626.15, 271,499.94 and 158,265

Step by Step Solution

1. Step 1: Write the proportion equation
   196,626.15 : 271,499.94 = 158,265 : x
2. Step 2: Convert to fraction form
   196,626.15/271,499.94 = 158,265/x
3. Step 3: Cross multiply
   196,626.15x = 271,499.94 × 158,265
4. Step 4: Simplify right side
   196,626.15x = 42,968,938,004.10
5. Step 5: Solve for x
   x = 42,968,938,004.10/196,626.15
6. Step 6: Final answer
   x = 218,531.15