Finding the Fourth Proportional to 1,830.18, 2,740.59 and 1,007.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.18 : 2,740.59 = 1,007.55 : x
2. Step 2: Convert to fraction form
   1,830.18/2,740.59 = 1,007.55/x
3. Step 3: Cross multiply
   1,830.18x = 2,740.59 × 1,007.55
4. Step 4: Simplify right side
   1,830.18x = 2,761,281.45
5. Step 5: Solve for x
   x = 2,761,281.45/1,830.18
6. Step 6: Final answer
   x = 1,508.75