Finding the Fourth Proportional to 317,016.04, 437,487.06 and 189,697

Step by Step Solution

1. Step 1: Write the proportion equation
   317,016.04 : 437,487.06 = 189,697 : x
2. Step 2: Convert to fraction form
   317,016.04/437,487.06 = 189,697/x
3. Step 3: Cross multiply
   317,016.04x = 437,487.06 × 189,697
4. Step 4: Simplify right side
   317,016.04x = 82,989,982,820.82
5. Step 5: Solve for x
   x = 82,989,982,820.82/317,016.04
6. Step 6: Final answer
   x = 261,784.81