Finding the Fourth Proportional to 501,187.98, 752,155.60 and 201,671.10

Step by Step Solution

1. Step 1: Write the proportion equation
   501,187.98 : 752,155.60 = 201,671.10 : x
2. Step 2: Convert to fraction form
   501,187.98/752,155.60 = 201,671.10/x
3. Step 3: Cross multiply
   501,187.98x = 752,155.60 × 201,671.10
4. Step 4: Simplify right side
   501,187.98x = 151,688,047,223.16
5. Step 5: Solve for x
   x = 151,688,047,223.16/501,187.98
6. Step 6: Final answer
   x = 302,656.99