Finding the Fourth Proportional to 1,591,323.16, 2,196,073.32 and 979,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,591,323.16 : 2,196,073.32 = 979,828.72 : x
2. Step 2: Convert to fraction form
   1,591,323.16/2,196,073.32 = 979,828.72/x
3. Step 3: Cross multiply
   1,591,323.16x = 2,196,073.32 × 979,828.72
4. Step 4: Simplify right side
   1,591,323.16x = 2,151,775,710,161.75
5. Step 5: Solve for x
   x = 2,151,775,710,161.75/1,591,323.16
6. Step 6: Final answer
   x = 1,352,192.79