Finding the Fourth Proportional to 2,177.32, 3,264.90 and 1,066.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,177.32 : 3,264.90 = 1,066.82 : x
2. Step 2: Convert to fraction form
   2,177.32/3,264.90 = 1,066.82/x
3. Step 3: Cross multiply
   2,177.32x = 3,264.90 × 1,066.82
4. Step 4: Simplify right side
   2,177.32x = 3,483,060.62
5. Step 5: Solve for x
   x = 3,483,060.62/2,177.32
6. Step 6: Final answer
   x = 1,599.70