Finding the Fourth Proportional to 1,042,839.27, 1,438,374.73 and 957,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,042,839.27 : 1,438,374.73 = 957,074.72 : x
2. Step 2: Convert to fraction form
   1,042,839.27/1,438,374.73 = 957,074.72/x
3. Step 3: Cross multiply
   1,042,839.27x = 1,438,374.73 × 957,074.72
4. Step 4: Simplify right side
   1,042,839.27x = 1,376,632,084,179.78
5. Step 5: Solve for x
   x = 1,376,632,084,179.78/1,042,839.27
6. Step 6: Final answer
   x = 1,320,080.79