Finding the Fourth Proportional to 1,191,040.71, 1,785,556.56 and 516,614.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191,040.71 : 1,785,556.56 = 516,614.22 : x
2. Step 2: Convert to fraction form
   1,191,040.71/1,785,556.56 = 516,614.22/x
3. Step 3: Cross multiply
   1,191,040.71x = 1,785,556.56 × 516,614.22
4. Step 4: Simplify right side
   1,191,040.71x = 922,443,912,308.03
5. Step 5: Solve for x
   x = 922,443,912,308.03/1,191,040.71
6. Step 6: Final answer
   x = 774,485.63