Finding the Fourth Proportional to 3,610.17, 5,415.46 and 1,013.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.17 : 5,415.46 = 1,013.31 : x
2. Step 2: Convert to fraction form
   3,610.17/5,415.46 = 1,013.31/x
3. Step 3: Cross multiply
   3,610.17x = 5,415.46 × 1,013.31
4. Step 4: Simplify right side
   3,610.17x = 5,487,539.77
5. Step 5: Solve for x
   x = 5,487,539.77/3,610.17
6. Step 6: Final answer
   x = 1,520.02