Finding the Fourth Proportional to 1,560,404.80, 2,152,750.34 and 979,288.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,404.80 : 2,152,750.34 = 979,288.83 : x
2. Step 2: Convert to fraction form
   1,560,404.80/2,152,750.34 = 979,288.83/x
3. Step 3: Cross multiply
   1,560,404.80x = 2,152,750.34 × 979,288.83
4. Step 4: Simplify right side
   1,560,404.80x = 2,108,164,361,740.70
5. Step 5: Solve for x
   x = 2,108,164,361,740.70/1,560,404.80
6. Step 6: Final answer
   x = 1,351,036.83