Finding the Fourth Proportional to 2,077.10, 2,858.29 and 2,064.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.10 : 2,858.29 = 2,064.32 : x
2. Step 2: Convert to fraction form
   2,077.10/2,858.29 = 2,064.32/x
3. Step 3: Cross multiply
   2,077.10x = 2,858.29 × 2,064.32
4. Step 4: Simplify right side
   2,077.10x = 5,900,425.21
5. Step 5: Solve for x
   x = 5,900,425.21/2,077.10
6. Step 6: Final answer
   x = 2,840.70