Finding the Fourth Proportional to 1,640.82, 2,251.59 and 1,492.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640.82 : 2,251.59 = 1,492.32 : x
2. Step 2: Convert to fraction form
   1,640.82/2,251.59 = 1,492.32/x
3. Step 3: Cross multiply
   1,640.82x = 2,251.59 × 1,492.32
4. Step 4: Simplify right side
   1,640.82x = 3,360,092.79
5. Step 5: Solve for x
   x = 3,360,092.79/1,640.82
6. Step 6: Final answer
   x = 2,047.81