Finding the Fourth Proportional to 1,346.61, 1,856.82 and 873.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.61 : 1,856.82 = 873.88 : x
2. Step 2: Convert to fraction form
   1,346.61/1,856.82 = 873.88/x
3. Step 3: Cross multiply
   1,346.61x = 1,856.82 × 873.88
4. Step 4: Simplify right side
   1,346.61x = 1,622,637.86
5. Step 5: Solve for x
   x = 1,622,637.86/1,346.61
6. Step 6: Final answer
   x = 1,204.98