Finding the Fourth Proportional to 1,591,308.47, 2,196,053.07 and 979,814.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,308.47 : 2,196,053.07 = 979,814.09 : x
2. Step 2: Convert to fraction form
   1,591,308.47/2,196,053.07 = 979,814.09/x
3. Step 3: Cross multiply
   1,591,308.47x = 2,196,053.07 × 979,814.09
4. Step 4: Simplify right side
   1,591,308.47x = 2,151,723,742,189.59
5. Step 5: Solve for x
   x = 2,151,723,742,189.59/1,591,308.47
6. Step 6: Final answer
   x = 1,352,172.62