Finding the Fourth Proportional to 2,056.50, 2,837.93 and 1,172.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.50 : 2,837.93 = 1,172.25 : x
2. Step 2: Convert to fraction form
   2,056.50/2,837.93 = 1,172.25/x
3. Step 3: Cross multiply
   2,056.50x = 2,837.93 × 1,172.25
4. Step 4: Simplify right side
   2,056.50x = 3,326,757.58
5. Step 5: Solve for x
   x = 3,326,757.58/2,056.50
6. Step 6: Final answer
   x = 1,617.68