Finding the Fourth Proportional to 3,410.34, 5,116.23 and 1,101.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.34 : 5,116.23 = 1,101.78 : x
2. Step 2: Convert to fraction form
   3,410.34/5,116.23 = 1,101.78/x
3. Step 3: Cross multiply
   3,410.34x = 5,116.23 × 1,101.78
4. Step 4: Simplify right side
   3,410.34x = 5,636,959.89
5. Step 5: Solve for x
   x = 5,636,959.89/3,410.34
6. Step 6: Final answer
   x = 1,652.90