Finding the Fourth Proportional to 1,014,697.72, 1,400,199.78 and 579,112.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014,697.72 : 1,400,199.78 = 579,112.93 : x
2. Step 2: Convert to fraction form
   1,014,697.72/1,400,199.78 = 579,112.93/x
3. Step 3: Cross multiply
   1,014,697.72x = 1,400,199.78 × 579,112.93
4. Step 4: Simplify right side
   1,014,697.72x = 810,873,797,181.16
5. Step 5: Solve for x
   x = 810,873,797,181.16/1,014,697.72
6. Step 6: Final answer
   x = 799,128.43