Finding the Fourth Proportional to 2,056.45, 2,838.83 and 1,429.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.45 : 2,838.83 = 1,429.10 : x
2. Step 2: Convert to fraction form
   2,056.45/2,838.83 = 1,429.10/x
3. Step 3: Cross multiply
   2,056.45x = 2,838.83 × 1,429.10
4. Step 4: Simplify right side
   2,056.45x = 4,056,971.95
5. Step 5: Solve for x
   x = 4,056,971.95/2,056.45
6. Step 6: Final answer
   x = 1,972.80