Finding the Fourth Proportional to 501,640.56, 752,485.56 and 202,080.72

Step by Step Solution

1. Step 1: Write the proportion equation
   501,640.56 : 752,485.56 = 202,080.72 : x
2. Step 2: Convert to fraction form
   501,640.56/752,485.56 = 202,080.72/x
3. Step 3: Cross multiply
   501,640.56x = 752,485.56 × 202,080.72
4. Step 4: Simplify right side
   501,640.56x = 152,062,823,754.40
5. Step 5: Solve for x
   x = 152,062,823,754.40/501,640.56
6. Step 6: Final answer
   x = 303,131.04