Finding the Fourth Proportional to 1,373.07, 1,895.45 and 876.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.07 : 1,895.45 = 876.37 : x
2. Step 2: Convert to fraction form
   1,373.07/1,895.45 = 876.37/x
3. Step 3: Cross multiply
   1,373.07x = 1,895.45 × 876.37
4. Step 4: Simplify right side
   1,373.07x = 1,661,114.88
5. Step 5: Solve for x
   x = 1,661,114.88/1,373.07
6. Step 6: Final answer
   x = 1,209.78