Finding the Fourth Proportional to 1,017.34, 1,525.77 and 368.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.34 : 1,525.77 = 368.05 : x
2. Step 2: Convert to fraction form
   1,017.34/1,525.77 = 368.05/x
3. Step 3: Cross multiply
   1,017.34x = 1,525.77 × 368.05
4. Step 4: Simplify right side
   1,017.34x = 561,559.65
5. Step 5: Solve for x
   x = 561,559.65/1,017.34
6. Step 6: Final answer
   x = 551.99