Finding the Fourth Proportional to 2,181.32, 3,008.70 and 1,508.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.32 : 3,008.70 = 1,508.82 : x
2. Step 2: Convert to fraction form
   2,181.32/3,008.70 = 1,508.82/x
3. Step 3: Cross multiply
   2,181.32x = 3,008.70 × 1,508.82
4. Step 4: Simplify right side
   2,181.32x = 4,539,586.73
5. Step 5: Solve for x
   x = 4,539,586.73/2,181.32
6. Step 6: Final answer
   x = 2,081.12