Finding the Fourth Proportional to 2,043.72, 2,822.91 and 1,777.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.72 : 2,822.91 = 1,777.63 : x
2. Step 2: Convert to fraction form
   2,043.72/2,822.91 = 1,777.63/x
3. Step 3: Cross multiply
   2,043.72x = 2,822.91 × 1,777.63
4. Step 4: Simplify right side
   2,043.72x = 5,018,089.50
5. Step 5: Solve for x
   x = 5,018,089.50/2,043.72
6. Step 6: Final answer
   x = 2,455.37