Finding the Fourth Proportional to 1,183,788.52, 1,633,788.15 and 667,648.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,183,788.52 : 1,633,788.15 = 667,648.42 : x
2. Step 2: Convert to fraction form
   1,183,788.52/1,633,788.15 = 667,648.42/x
3. Step 3: Cross multiply
   1,183,788.52x = 1,633,788.15 × 667,648.42
4. Step 4: Simplify right side
   1,183,788.52x = 1,090,796,076,962.22
5. Step 5: Solve for x
   x = 1,090,796,076,962.22/1,183,788.52
6. Step 6: Final answer
   x = 921,445.05