Finding the Fourth Proportional to 1,123,703.30, 1,685,570.48 and 365,548.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,703.30 : 1,685,570.48 = 365,548.73 : x
2. Step 2: Convert to fraction form
   1,123,703.30/1,685,570.48 = 365,548.73/x
3. Step 3: Cross multiply
   1,123,703.30x = 1,685,570.48 × 365,548.73
4. Step 4: Simplify right side
   1,123,703.30x = 616,158,138,033.89
5. Step 5: Solve for x
   x = 616,158,138,033.89/1,123,703.30
6. Step 6: Final answer
   x = 548,328.14