Finding the Fourth Proportional to 1,017.86, 1,525.83 and 368.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.86 : 1,525.83 = 368.43 : x
2. Step 2: Convert to fraction form
   1,017.86/1,525.83 = 368.43/x
3. Step 3: Cross multiply
   1,017.86x = 1,525.83 × 368.43
4. Step 4: Simplify right side
   1,017.86x = 562,161.55
5. Step 5: Solve for x
   x = 562,161.55/1,017.86
6. Step 6: Final answer
   x = 552.30