Finding the Fourth Proportional to 1,373.49, 1,895.48 and 776.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.49 : 1,895.48 = 776.12 : x
2. Step 2: Convert to fraction form
   1,373.49/1,895.48 = 776.12/x
3. Step 3: Cross multiply
   1,373.49x = 1,895.48 × 776.12
4. Step 4: Simplify right side
   1,373.49x = 1,471,115.30
5. Step 5: Solve for x
   x = 1,471,115.30/1,373.49
6. Step 6: Final answer
   x = 1,071.07