Finding the Fourth Proportional to 501,181.98, 752,146.60 and 201,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   501,181.98 : 752,146.60 = 201,665.10 : x
2. Step 2: Convert to fraction form
   501,181.98/752,146.60 = 201,665.10/x
3. Step 3: Cross multiply
   501,181.98x = 752,146.60 × 201,665.10
4. Step 4: Simplify right side
   501,181.98x = 151,681,719,303.66
5. Step 5: Solve for x
   x = 151,681,719,303.66/501,181.98
6. Step 6: Final answer
   x = 302,647.99