Finding the Fourth Proportional to 196,102, 294,196.74 and 71,443

Step by Step Solution

1. Step 1: Write the proportion equation
   196,102 : 294,196.74 = 71,443 : x
2. Step 2: Convert to fraction form
   196,102/294,196.74 = 71,443/x
3. Step 3: Cross multiply
   196,102x = 294,196.74 × 71,443
4. Step 4: Simplify right side
   196,102x = 21,018,297,695.82
5. Step 5: Solve for x
   x = 21,018,297,695.82/196,102
6. Step 6: Final answer
   x = 107,180.44