Finding the Fourth Proportional to 1,777.83, 2,667.35 and 1,605.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.83 : 2,667.35 = 1,605.30 : x
2. Step 2: Convert to fraction form
   1,777.83/2,667.35 = 1,605.30/x
3. Step 3: Cross multiply
   1,777.83x = 2,667.35 × 1,605.30
4. Step 4: Simplify right side
   1,777.83x = 4,281,896.96
5. Step 5: Solve for x
   x = 4,281,896.96/1,777.83
6. Step 6: Final answer
   x = 2,408.50