Finding the Fourth Proportional to 6,801.80, 10,201.48 and 1,870.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,801.80 : 10,201.48 = 1,870.31 : x
2. Step 2: Convert to fraction form
   6,801.80/10,201.48 = 1,870.31/x
3. Step 3: Cross multiply
   6,801.80x = 10,201.48 × 1,870.31
4. Step 4: Simplify right side
   6,801.80x = 19,079,950.89
5. Step 5: Solve for x
   x = 19,079,950.89/6,801.80
6. Step 6: Final answer
   x = 2,805.13