Finding the Fourth Proportional to 1,124,456.47, 1,686,683.34 and 366,296.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124,456.47 : 1,686,683.34 = 366,296.72 : x
2. Step 2: Convert to fraction form
   1,124,456.47/1,686,683.34 = 366,296.72/x
3. Step 3: Cross multiply
   1,124,456.47x = 1,686,683.34 × 366,296.72
4. Step 4: Simplify right side
   1,124,456.47x = 617,826,566,687.23
5. Step 5: Solve for x
   x = 617,826,566,687.23/1,124,456.47
6. Step 6: Final answer
   x = 549,444.63