Finding the Fourth Proportional to 2,011.89, 2,772.32 and 1,451.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.89 : 2,772.32 = 1,451.37 : x
2. Step 2: Convert to fraction form
   2,011.89/2,772.32 = 1,451.37/x
3. Step 3: Cross multiply
   2,011.89x = 2,772.32 × 1,451.37
4. Step 4: Simplify right side
   2,011.89x = 4,023,654.82
5. Step 5: Solve for x
   x = 4,023,654.82/2,011.89
6. Step 6: Final answer
   x = 1,999.94