Finding the Fourth Proportional to 1,906.34, 2,630.78 and 1,487.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.34 : 2,630.78 = 1,487.16 : x
2. Step 2: Convert to fraction form
   1,906.34/2,630.78 = 1,487.16/x
3. Step 3: Cross multiply
   1,906.34x = 2,630.78 × 1,487.16
4. Step 4: Simplify right side
   1,906.34x = 3,912,388.93
5. Step 5: Solve for x
   x = 3,912,388.93/1,906.34
6. Step 6: Final answer
   x = 2,052.31