Finding the Fourth Proportional to 1,837.89, 2,754.20 and 1,425.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.89 : 2,754.20 = 1,425.09 : x
2. Step 2: Convert to fraction form
   1,837.89/2,754.20 = 1,425.09/x
3. Step 3: Cross multiply
   1,837.89x = 2,754.20 × 1,425.09
4. Step 4: Simplify right side
   1,837.89x = 3,924,996.77
5. Step 5: Solve for x
   x = 3,924,996.77/1,837.89
6. Step 6: Final answer
   x = 2,135.60