Finding the Fourth Proportional to 1,525.32, 2,104.91 and 1,001.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.32 : 2,104.91 = 1,001.31 : x
2. Step 2: Convert to fraction form
   1,525.32/2,104.91 = 1,001.31/x
3. Step 3: Cross multiply
   1,525.32x = 2,104.91 × 1,001.31
4. Step 4: Simplify right side
   1,525.32x = 2,107,667.69
5. Step 5: Solve for x
   x = 2,107,667.69/1,525.32
6. Step 6: Final answer
   x = 1,381.79