Finding the Fourth Proportional to 2,070.72, 3,106.58 and 1,096.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.72 : 3,106.58 = 1,096.61 : x
2. Step 2: Convert to fraction form
   2,070.72/3,106.58 = 1,096.61/x
3. Step 3: Cross multiply
   2,070.72x = 3,106.58 × 1,096.61
4. Step 4: Simplify right side
   2,070.72x = 3,406,685.68
5. Step 5: Solve for x
   x = 3,406,685.68/2,070.72
6. Step 6: Final answer
   x = 1,645.17