Finding the Fourth Proportional to 196,379.39, 271,005.36 and 111,498.26

Step by Step Solution

1. Step 1: Write the proportion equation
   196,379.39 : 271,005.36 = 111,498.26 : x
2. Step 2: Convert to fraction form
   196,379.39/271,005.36 = 111,498.26/x
3. Step 3: Cross multiply
   196,379.39x = 271,005.36 × 111,498.26
4. Step 4: Simplify right side
   196,379.39x = 30,216,626,090.67
5. Step 5: Solve for x
   x = 30,216,626,090.67/196,379.39
6. Step 6: Final answer
   x = 153,868.62