Finding the Fourth Proportional to 3,615.17, 5,422.15 and 1,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.17 : 5,422.15 = 1,017.50 : x
2. Step 2: Convert to fraction form
   3,615.17/5,422.15 = 1,017.50/x
3. Step 3: Cross multiply
   3,615.17x = 5,422.15 × 1,017.50
4. Step 4: Simplify right side
   3,615.17x = 5,517,037.63
5. Step 5: Solve for x
   x = 5,517,037.63/3,615.17
6. Step 6: Final answer
   x = 1,526.08