Finding the Fourth Proportional to 1,548.82, 2,137.32 and 850.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.82 : 2,137.32 = 850.18 : x
2. Step 2: Convert to fraction form
   1,548.82/2,137.32 = 850.18/x
3. Step 3: Cross multiply
   1,548.82x = 2,137.32 × 850.18
4. Step 4: Simplify right side
   1,548.82x = 1,817,106.72
5. Step 5: Solve for x
   x = 1,817,106.72/1,548.82
6. Step 6: Final answer
   x = 1,173.22