Finding the Fourth Proportional to 2,622.61, 3,935.31 and 1,063.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.61 : 3,935.31 = 1,063.45 : x
2. Step 2: Convert to fraction form
   2,622.61/3,935.31 = 1,063.45/x
3. Step 3: Cross multiply
   2,622.61x = 3,935.31 × 1,063.45
4. Step 4: Simplify right side
   2,622.61x = 4,185,005.42
5. Step 5: Solve for x
   x = 4,185,005.42/2,622.61
6. Step 6: Final answer
   x = 1,595.74