Finding the Fourth Proportional to 1,548.55, 2,137.15 and 885.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.55 : 2,137.15 = 885.46 : x
2. Step 2: Convert to fraction form
   1,548.55/2,137.15 = 885.46/x
3. Step 3: Cross multiply
   1,548.55x = 2,137.15 × 885.46
4. Step 4: Simplify right side
   1,548.55x = 1,892,360.84
5. Step 5: Solve for x
   x = 1,892,360.84/1,548.55
6. Step 6: Final answer
   x = 1,222.02