Finding the Fourth Proportional to 1,892.01, 2,837.78 and 659.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.01 : 2,837.78 = 659.31 : x
2. Step 2: Convert to fraction form
   1,892.01/2,837.78 = 659.31/x
3. Step 3: Cross multiply
   1,892.01x = 2,837.78 × 659.31
4. Step 4: Simplify right side
   1,892.01x = 1,870,982.18
5. Step 5: Solve for x
   x = 1,870,982.18/1,892.01
6. Step 6: Final answer
   x = 988.89