Finding the Fourth Proportional to 2,092.22, 2,890.65 and 1,780.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.22 : 2,890.65 = 1,780.77 : x
2. Step 2: Convert to fraction form
   2,092.22/2,890.65 = 1,780.77/x
3. Step 3: Cross multiply
   2,092.22x = 2,890.65 × 1,780.77
4. Step 4: Simplify right side
   2,092.22x = 5,147,582.80
5. Step 5: Solve for x
   x = 5,147,582.80/2,092.22
6. Step 6: Final answer
   x = 2,460.34