Finding the Fourth Proportional to 3,363.42, 5,045.98 and 1,172.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,363.42 : 5,045.98 = 1,172.18 : x
2. Step 2: Convert to fraction form
   3,363.42/5,045.98 = 1,172.18/x
3. Step 3: Cross multiply
   3,363.42x = 5,045.98 × 1,172.18
4. Step 4: Simplify right side
   3,363.42x = 5,914,796.84
5. Step 5: Solve for x
   x = 5,914,796.84/3,363.42
6. Step 6: Final answer
   x = 1,758.57