Finding the Fourth Proportional to 3,610.17, 5,414.65 and 1,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.17 : 5,414.65 = 1,012.50 : x
2. Step 2: Convert to fraction form
   3,610.17/5,414.65 = 1,012.50/x
3. Step 3: Cross multiply
   3,610.17x = 5,414.65 × 1,012.50
4. Step 4: Simplify right side
   3,610.17x = 5,482,330.59
5. Step 5: Solve for x
   x = 5,482,330.59/3,610.17
6. Step 6: Final answer
   x = 1,518.58