Finding the Fourth Proportional to 1,142,456.20, 1,703,470.43 and 1,111,067.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,456.20 : 1,703,470.43 = 1,111,067.96 : x
2. Step 2: Convert to fraction form
   1,142,456.20/1,703,470.43 = 1,111,067.96/x
3. Step 3: Cross multiply
   1,142,456.20x = 1,703,470.43 × 1,111,067.96
4. Step 4: Simplify right side
   1,142,456.20x = 1,892,671,410,025.08
5. Step 5: Solve for x
   x = 1,892,671,410,025.08/1,142,456.20
6. Step 6: Final answer
   x = 1,656,668.69