Finding the Fourth Proportional to 2,156.50, 3,235.56 and 1,002.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.50 : 3,235.56 = 1,002.25 : x
2. Step 2: Convert to fraction form
   2,156.50/3,235.56 = 1,002.25/x
3. Step 3: Cross multiply
   2,156.50x = 3,235.56 × 1,002.25
4. Step 4: Simplify right side
   2,156.50x = 3,242,840.01
5. Step 5: Solve for x
   x = 3,242,840.01/2,156.50
6. Step 6: Final answer
   x = 1,503.75