Finding the Fourth Proportional to 2,077.60, 2,858.98 and 2,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.60 : 2,858.98 = 2,064.82 : x
2. Step 2: Convert to fraction form
   2,077.60/2,858.98 = 2,064.82/x
3. Step 3: Cross multiply
   2,077.60x = 2,858.98 × 2,064.82
4. Step 4: Simplify right side
   2,077.60x = 5,903,279.08
5. Step 5: Solve for x
   x = 5,903,279.08/2,077.60
6. Step 6: Final answer
   x = 2,841.39