Finding the Fourth Proportional to 1,005,066.50, 1,507,784.42 and 331,187.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,066.50 : 1,507,784.42 = 331,187.54 : x
2. Step 2: Convert to fraction form
   1,005,066.50/1,507,784.42 = 331,187.54/x
3. Step 3: Cross multiply
   1,005,066.50x = 1,507,784.42 × 331,187.54
4. Step 4: Simplify right side
   1,005,066.50x = 499,359,406,199.17
5. Step 5: Solve for x
   x = 499,359,406,199.17/1,005,066.50
6. Step 6: Final answer
   x = 496,842.16