Finding the Fourth Proportional to 1,300,078.14, 1,794,156.90 and 711,417.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,078.14 : 1,794,156.90 = 711,417.18 : x
2. Step 2: Convert to fraction form
   1,300,078.14/1,794,156.90 = 711,417.18/x
3. Step 3: Cross multiply
   1,300,078.14x = 1,794,156.90 × 711,417.18
4. Step 4: Simplify right side
   1,300,078.14x = 1,276,394,042,275.54
5. Step 5: Solve for x
   x = 1,276,394,042,275.54/1,300,078.14
6. Step 6: Final answer
   x = 981,782.56