Finding the Fourth Proportional to 2,156.52, 3,235.86 and 1,002

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.52 : 3,235.86 = 1,002 : x
2. Step 2: Convert to fraction form
   2,156.52/3,235.86 = 1,002/x
3. Step 3: Cross multiply
   2,156.52x = 3,235.86 × 1,002
4. Step 4: Simplify right side
   2,156.52x = 3,242,331.72
5. Step 5: Solve for x
   x = 3,242,331.72/2,156.52
6. Step 6: Final answer
   x = 1,503.50