Finding the Fourth Proportional to 1,074,842.42, 1,610,811.03 and 409,631.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074,842.42 : 1,610,811.03 = 409,631.54 : x
2. Step 2: Convert to fraction form
   1,074,842.42/1,610,811.03 = 409,631.54/x
3. Step 3: Cross multiply
   1,074,842.42x = 1,610,811.03 × 409,631.54
4. Step 4: Simplify right side
   1,074,842.42x = 659,839,002,867.89
5. Step 5: Solve for x
   x = 659,839,002,867.89/1,074,842.42
6. Step 6: Final answer
   x = 613,893.71