Finding the Fourth Proportional to 147,907.31, 204,112.10 and 80,839.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,907.31 : 204,112.10 = 80,839.31 : x
2. Step 2: Convert to fraction form
   147,907.31/204,112.10 = 80,839.31/x
3. Step 3: Cross multiply
   147,907.31x = 204,112.10 × 80,839.31
4. Step 4: Simplify right side
   147,907.31x = 16,500,281,326.65
5. Step 5: Solve for x
   x = 16,500,281,326.65/147,907.31
6. Step 6: Final answer
   x = 111,558.25