Finding the Fourth Proportional to 1,376.06, 1,898.16 and 1,283.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.06 : 1,898.16 = 1,283.18 : x
2. Step 2: Convert to fraction form
   1,376.06/1,898.16 = 1,283.18/x
3. Step 3: Cross multiply
   1,376.06x = 1,898.16 × 1,283.18
4. Step 4: Simplify right side
   1,376.06x = 2,435,680.95
5. Step 5: Solve for x
   x = 2,435,680.95/1,376.06
6. Step 6: Final answer
   x = 1,770.04