Finding the Fourth Proportional to 1,118,556.38, 1,674,707.76 and 604,379.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,556.38 : 1,674,707.76 = 604,379.31 : x
2. Step 2: Convert to fraction form
   1,118,556.38/1,674,707.76 = 604,379.31/x
3. Step 3: Cross multiply
   1,118,556.38x = 1,674,707.76 × 604,379.31
4. Step 4: Simplify right side
   1,118,556.38x = 1,012,158,718,929.50
5. Step 5: Solve for x
   x = 1,012,158,718,929.50/1,118,556.38
6. Step 6: Final answer
   x = 904,879.49