Finding the Fourth Proportional to 3,087.46, 4,632.40 and 1,139.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087.46 : 4,632.40 = 1,139.82 : x
2. Step 2: Convert to fraction form
   3,087.46/4,632.40 = 1,139.82/x
3. Step 3: Cross multiply
   3,087.46x = 4,632.40 × 1,139.82
4. Step 4: Simplify right side
   3,087.46x = 5,280,102.17
5. Step 5: Solve for x
   x = 5,280,102.17/3,087.46
6. Step 6: Final answer
   x = 1,710.18