Finding the Fourth Proportional to 2,038.18, 2,812.69 and 1,153.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.18 : 2,812.69 = 1,153.98 : x
2. Step 2: Convert to fraction form
   2,038.18/2,812.69 = 1,153.98/x
3. Step 3: Cross multiply
   2,038.18x = 2,812.69 × 1,153.98
4. Step 4: Simplify right side
   2,038.18x = 3,245,788.23
5. Step 5: Solve for x
   x = 3,245,788.23/2,038.18
6. Step 6: Final answer
   x = 1,592.49