Finding the Fourth Proportional to 2,056.07, 2,837.54 and 1,259.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.07 : 2,837.54 = 1,259.39 : x
2. Step 2: Convert to fraction form
   2,056.07/2,837.54 = 1,259.39/x
3. Step 3: Cross multiply
   2,056.07x = 2,837.54 × 1,259.39
4. Step 4: Simplify right side
   2,056.07x = 3,573,569.50
5. Step 5: Solve for x
   x = 3,573,569.50/2,056.07
6. Step 6: Final answer
   x = 1,738.06