Finding the Fourth Proportional to 1,375.49, 1,898.18 and 786.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375.49 : 1,898.18 = 786.04 : x
2. Step 2: Convert to fraction form
   1,375.49/1,898.18 = 786.04/x
3. Step 3: Cross multiply
   1,375.49x = 1,898.18 × 786.04
4. Step 4: Simplify right side
   1,375.49x = 1,492,041.48
5. Step 5: Solve for x
   x = 1,492,041.48/1,375.49
6. Step 6: Final answer
   x = 1,084.74