Finding the Fourth Proportional to 1,109,621.00, 1,531,189.76 and 679,842.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,621.00 : 1,531,189.76 = 679,842.69 : x
2. Step 2: Convert to fraction form
   1,109,621.00/1,531,189.76 = 679,842.69/x
3. Step 3: Cross multiply
   1,109,621.00x = 1,531,189.76 × 679,842.69
4. Step 4: Simplify right side
   1,109,621.00x = 1,040,968,161,939.64
5. Step 5: Solve for x
   x = 1,040,968,161,939.64/1,109,621.00
6. Step 6: Final answer
   x = 938,129.48