Finding the Fourth Proportional to 1,164,111.42, 1,606,449.99 and 680,962.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,111.42 : 1,606,449.99 = 680,962.62 : x
2. Step 2: Convert to fraction form
   1,164,111.42/1,606,449.99 = 680,962.62/x
3. Step 3: Cross multiply
   1,164,111.42x = 1,606,449.99 × 680,962.62
4. Step 4: Simplify right side
   1,164,111.42x = 1,093,932,394,089.37
5. Step 5: Solve for x
   x = 1,093,932,394,089.37/1,164,111.42
6. Step 6: Final answer
   x = 939,714.51