Finding the Fourth Proportional to 1,996.83, 2,977.65 and 1,858.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.83 : 2,977.65 = 1,858.32 : x
2. Step 2: Convert to fraction form
   1,996.83/2,977.65 = 1,858.32/x
3. Step 3: Cross multiply
   1,996.83x = 2,977.65 × 1,858.32
4. Step 4: Simplify right side
   1,996.83x = 5,533,426.55
5. Step 5: Solve for x
   x = 5,533,426.55/1,996.83
6. Step 6: Final answer
   x = 2,771.11