Finding the Fourth Proportional to 2,113.04, 3,158.47 and 1,492.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.04 : 3,158.47 = 1,492.58 : x
2. Step 2: Convert to fraction form
   2,113.04/3,158.47 = 1,492.58/x
3. Step 3: Cross multiply
   2,113.04x = 3,158.47 × 1,492.58
4. Step 4: Simplify right side
   2,113.04x = 4,714,269.15
5. Step 5: Solve for x
   x = 4,714,269.15/2,113.04
6. Step 6: Final answer
   x = 2,231.04