Finding the Fourth Proportional to 1,773.77, 2,657.61 and 949.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.77 : 2,657.61 = 949.59 : x
2. Step 2: Convert to fraction form
   1,773.77/2,657.61 = 949.59/x
3. Step 3: Cross multiply
   1,773.77x = 2,657.61 × 949.59
4. Step 4: Simplify right side
   1,773.77x = 2,523,639.88
5. Step 5: Solve for x
   x = 2,523,639.88/1,773.77
6. Step 6: Final answer
   x = 1,422.76