Finding the Fourth Proportional to 1,602.32, 2,402.32 and 1,081.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.32 : 2,402.32 = 1,081.04 : x
2. Step 2: Convert to fraction form
   1,602.32/2,402.32 = 1,081.04/x
3. Step 3: Cross multiply
   1,602.32x = 2,402.32 × 1,081.04
4. Step 4: Simplify right side
   1,602.32x = 2,597,004.01
5. Step 5: Solve for x
   x = 2,597,004.01/1,602.32
6. Step 6: Final answer
   x = 1,620.78