Finding the Fourth Proportional to 1,018.44, 1,526.72 and 368.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.44 : 1,526.72 = 368.69 : x
2. Step 2: Convert to fraction form
   1,018.44/1,526.72 = 368.69/x
3. Step 3: Cross multiply
   1,018.44x = 1,526.72 × 368.69
4. Step 4: Simplify right side
   1,018.44x = 562,876.92
5. Step 5: Solve for x
   x = 562,876.92/1,018.44
6. Step 6: Final answer
   x = 552.69