Finding the Fourth Proportional to 1,777.02, 2,663.55 and 956.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.02 : 2,663.55 = 956.22 : x
2. Step 2: Convert to fraction form
   1,777.02/2,663.55 = 956.22/x
3. Step 3: Cross multiply
   1,777.02x = 2,663.55 × 956.22
4. Step 4: Simplify right side
   1,777.02x = 2,546,939.78
5. Step 5: Solve for x
   x = 2,546,939.78/1,777.02
6. Step 6: Final answer
   x = 1,433.26