Finding the Fourth Proportional to 1,487.46, 2,052.84 and 1,238.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,487.46 : 2,052.84 = 1,238.34 : x
2. Step 2: Convert to fraction form
   1,487.46/2,052.84 = 1,238.34/x
3. Step 3: Cross multiply
   1,487.46x = 2,052.84 × 1,238.34
4. Step 4: Simplify right side
   1,487.46x = 2,542,113.89
5. Step 5: Solve for x
   x = 2,542,113.89/1,487.46
6. Step 6: Final answer
   x = 1,709.03