Finding the Fourth Proportional to 1,373.67, 1,895.91 and 876.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,373.67 : 1,895.91 = 876.45 : x
2. Step 2: Convert to fraction form
   1,373.67/1,895.91 = 876.45/x
3. Step 3: Cross multiply
   1,373.67x = 1,895.91 × 876.45
4. Step 4: Simplify right side
   1,373.67x = 1,661,670.32
5. Step 5: Solve for x
   x = 1,661,670.32/1,373.67
6. Step 6: Final answer
   x = 1,209.66