Finding the Fourth Proportional to 2,038.95, 3,058.83 and 1,172.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.95 : 3,058.83 = 1,172.25 : x
2. Step 2: Convert to fraction form
   2,038.95/3,058.83 = 1,172.25/x
3. Step 3: Cross multiply
   2,038.95x = 3,058.83 × 1,172.25
4. Step 4: Simplify right side
   2,038.95x = 3,585,713.47
5. Step 5: Solve for x
   x = 3,585,713.47/2,038.95
6. Step 6: Final answer
   x = 1,758.61