Finding the Fourth Proportional to 1,123,690.83, 1,685,551.78 and 365,536.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,690.83 : 1,685,551.78 = 365,536.24 : x
2. Step 2: Convert to fraction form
   1,123,690.83/1,685,551.78 = 365,536.24/x
3. Step 3: Cross multiply
   1,123,690.83x = 1,685,551.78 × 365,536.24
4. Step 4: Simplify right side
   1,123,690.83x = 616,130,265,710.78
5. Step 5: Solve for x
   x = 616,130,265,710.78/1,123,690.83
6. Step 6: Final answer
   x = 548,309.42