Finding the Fourth Proportional to 147,911.42, 204,117.72 and 80,843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   147,911.42 : 204,117.72 = 80,843.42 : x
2. Step 2: Convert to fraction form
   147,911.42/204,117.72 = 80,843.42/x
3. Step 3: Cross multiply
   147,911.42x = 204,117.72 × 80,843.42
4. Step 4: Simplify right side
   147,911.42x = 16,501,574,567.40
5. Step 5: Solve for x
   x = 16,501,574,567.40/147,911.42
6. Step 6: Final answer
   x = 111,563.90