Finding the Fourth Proportional to 2,101.42, 3,150.87 and 1,004.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.42 : 3,150.87 = 1,004.32 : x
2. Step 2: Convert to fraction form
   2,101.42/3,150.87 = 1,004.32/x
3. Step 3: Cross multiply
   2,101.42x = 3,150.87 × 1,004.32
4. Step 4: Simplify right side
   2,101.42x = 3,164,481.76
5. Step 5: Solve for x
   x = 3,164,481.76/2,101.42
6. Step 6: Final answer
   x = 1,505.88