Finding the Fourth Proportional to 196,854.34, 295,320.40 and 72,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   196,854.34 : 295,320.40 = 72,196.42 : x
2. Step 2: Convert to fraction form
   196,854.34/295,320.40 = 72,196.42/x
3. Step 3: Cross multiply
   196,854.34x = 295,320.40 × 72,196.42
4. Step 4: Simplify right side
   196,854.34x = 21,321,075,632.97
5. Step 5: Solve for x
   x = 21,321,075,632.97/196,854.34
6. Step 6: Final answer
   x = 108,308.89