Finding the Fourth Proportional to 2,240.84, 3,360.72 and 1,070.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.84 : 3,360.72 = 1,070.12 : x
2. Step 2: Convert to fraction form
   2,240.84/3,360.72 = 1,070.12/x
3. Step 3: Cross multiply
   2,240.84x = 3,360.72 × 1,070.12
4. Step 4: Simplify right side
   2,240.84x = 3,596,373.69
5. Step 5: Solve for x
   x = 3,596,373.69/2,240.84
6. Step 6: Final answer
   x = 1,604.92