Finding the Fourth Proportional to 1,906.30, 2,859.27 and 981.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.30 : 2,859.27 = 981.37 : x
2. Step 2: Convert to fraction form
   1,906.30/2,859.27 = 981.37/x
3. Step 3: Cross multiply
   1,906.30x = 2,859.27 × 981.37
4. Step 4: Simplify right side
   1,906.30x = 2,806,001.80
5. Step 5: Solve for x
   x = 2,806,001.80/1,906.30
6. Step 6: Final answer
   x = 1,471.96