Finding the Fourth Proportional to 362,667.18, 500,470.80 and 201,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   362,667.18 : 500,470.80 = 201,518.10 : x
2. Step 2: Convert to fraction form
   362,667.18/500,470.80 = 201,518.10/x
3. Step 3: Cross multiply
   362,667.18x = 500,470.80 × 201,518.10
4. Step 4: Simplify right side
   362,667.18x = 100,853,924,721.48
5. Step 5: Solve for x
   x = 100,853,924,721.48/362,667.18
6. Step 6: Final answer
   x = 278,089.47