Finding the Fourth Proportional to 1,017.60, 1,526.61 and 368.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017.60 : 1,526.61 = 368.29 : x
2. Step 2: Convert to fraction form
   1,017.60/1,526.61 = 368.29/x
3. Step 3: Cross multiply
   1,017.60x = 1,526.61 × 368.29
4. Step 4: Simplify right side
   1,017.60x = 562,225.72
5. Step 5: Solve for x
   x = 562,225.72/1,017.60
6. Step 6: Final answer
   x = 552.50