Finding the Fourth Proportional to 1,205,111.48, 1,663,024.32 and 674,676.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,111.48 : 1,663,024.32 = 674,676.23 : x
2. Step 2: Convert to fraction form
   1,205,111.48/1,663,024.32 = 674,676.23/x
3. Step 3: Cross multiply
   1,205,111.48x = 1,663,024.32 × 674,676.23
4. Step 4: Simplify right side
   1,205,111.48x = 1,122,002,970,300.79
5. Step 5: Solve for x
   x = 1,122,002,970,300.79/1,205,111.48
6. Step 6: Final answer
   x = 931,036.67