Finding the Fourth Proportional to 2,705.06, 4,056.86 and 1,038.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,705.06 : 4,056.86 = 1,038.83 : x
2. Step 2: Convert to fraction form
   2,705.06/4,056.86 = 1,038.83/x
3. Step 3: Cross multiply
   2,705.06x = 4,056.86 × 1,038.83
4. Step 4: Simplify right side
   2,705.06x = 4,214,362.40
5. Step 5: Solve for x
   x = 4,214,362.40/2,705.06
6. Step 6: Final answer
   x = 1,557.96