Finding the Fourth Proportional to 1,577.31, 2,361.29 and 1,168.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,577.31 : 2,361.29 = 1,168.27 : x
2. Step 2: Convert to fraction form
   1,577.31/2,361.29 = 1,168.27/x
3. Step 3: Cross multiply
   1,577.31x = 2,361.29 × 1,168.27
4. Step 4: Simplify right side
   1,577.31x = 2,758,625.81
5. Step 5: Solve for x
   x = 2,758,625.81/1,577.31
6. Step 6: Final answer
   x = 1,748.95