Finding the Fourth Proportional to 2,173.22, 3,256.46 and 1,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.22 : 3,256.46 = 1,002.50 : x
2. Step 2: Convert to fraction form
   2,173.22/3,256.46 = 1,002.50/x
3. Step 3: Cross multiply
   2,173.22x = 3,256.46 × 1,002.50
4. Step 4: Simplify right side
   2,173.22x = 3,264,587.37
5. Step 5: Solve for x
   x = 3,264,587.37/2,173.22
6. Step 6: Final answer
   x = 1,502.19