Finding the Fourth Proportional to 2,002.39, 3,005.80 and 1,181.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.39 : 3,005.80 = 1,181.25 : x
2. Step 2: Convert to fraction form
   2,002.39/3,005.80 = 1,181.25/x
3. Step 3: Cross multiply
   2,002.39x = 3,005.80 × 1,181.25
4. Step 4: Simplify right side
   2,002.39x = 3,550,598.30
5. Step 5: Solve for x
   x = 3,550,598.30/2,002.39
6. Step 6: Final answer
   x = 1,773.18