Finding the Fourth Proportional to 2,108.31, 3,164.18 and 1,492.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.31 : 3,164.18 = 1,492.60 : x
2. Step 2: Convert to fraction form
   2,108.31/3,164.18 = 1,492.60/x
3. Step 3: Cross multiply
   2,108.31x = 3,164.18 × 1,492.60
4. Step 4: Simplify right side
   2,108.31x = 4,722,855.07
5. Step 5: Solve for x
   x = 4,722,855.07/2,108.31
6. Step 6: Final answer
   x = 2,240.11