Finding the Fourth Proportional to 2,056.35, 2,837.83 and 1,172.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.35 : 2,837.83 = 1,172.14 : x
2. Step 2: Convert to fraction form
   2,056.35/2,837.83 = 1,172.14/x
3. Step 3: Cross multiply
   2,056.35x = 2,837.83 × 1,172.14
4. Step 4: Simplify right side
   2,056.35x = 3,326,334.06
5. Step 5: Solve for x
   x = 3,326,334.06/2,056.35
6. Step 6: Final answer
   x = 1,617.59