Finding the Fourth Proportional to 2,038.50, 3,058.38 and 1,172.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.50 : 3,058.38 = 1,172.34 : x
2. Step 2: Convert to fraction form
   2,038.50/3,058.38 = 1,172.34/x
3. Step 3: Cross multiply
   2,038.50x = 3,058.38 × 1,172.34
4. Step 4: Simplify right side
   2,038.50x = 3,585,461.21
5. Step 5: Solve for x
   x = 3,585,461.21/2,038.50
6. Step 6: Final answer
   x = 1,758.87