Finding the Fourth Proportional to 501,215.48, 752,196.96 and 201,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   501,215.48 : 752,196.96 = 201,698.72 : x
2. Step 2: Convert to fraction form
   501,215.48/752,196.96 = 201,698.72/x
3. Step 3: Cross multiply
   501,215.48x = 752,196.96 × 201,698.72
4. Step 4: Simplify right side
   501,215.48x = 151,717,164,019.89
5. Step 5: Solve for x
   x = 151,717,164,019.89/501,215.48
6. Step 6: Final answer
   x = 302,698.48