Finding the Fourth Proportional to 2,528.58, 3,490.23 and 2,056.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.58 : 3,490.23 = 2,056.10 : x
2. Step 2: Convert to fraction form
   2,528.58/3,490.23 = 2,056.10/x
3. Step 3: Cross multiply
   2,528.58x = 3,490.23 × 2,056.10
4. Step 4: Simplify right side
   2,528.58x = 7,176,244.45
5. Step 5: Solve for x
   x = 7,176,244.45/2,528.58
6. Step 6: Final answer
   x = 2,838.05