Finding the Fourth Proportional to 1,171,800, 1,617,256.56 and 742,120.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,800 : 1,617,256.56 = 742,120.08 : x
2. Step 2: Convert to fraction form
   1,171,800/1,617,256.56 = 742,120.08/x
3. Step 3: Cross multiply
   1,171,800x = 1,617,256.56 × 742,120.08
4. Step 4: Simplify right side
   1,171,800x = 1,200,198,567,687.72
5. Step 5: Solve for x
   x = 1,200,198,567,687.72/1,171,800
6. Step 6: Final answer
   x = 1,024,235.00