Finding the Fourth Proportional to 1,906.02, 2,858.42 and 981.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.02 : 2,858.42 = 981.45 : x
2. Step 2: Convert to fraction form
   1,906.02/2,858.42 = 981.45/x
3. Step 3: Cross multiply
   1,906.02x = 2,858.42 × 981.45
4. Step 4: Simplify right side
   1,906.02x = 2,805,396.31
5. Step 5: Solve for x
   x = 2,805,396.31/1,906.02
6. Step 6: Final answer
   x = 1,471.86