Finding the Fourth Proportional to 2,109.33, 3,165.96 and 1,070.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.33 : 3,165.96 = 1,070.07 : x
2. Step 2: Convert to fraction form
   2,109.33/3,165.96 = 1,070.07/x
3. Step 3: Cross multiply
   2,109.33x = 3,165.96 × 1,070.07
4. Step 4: Simplify right side
   2,109.33x = 3,387,798.82
5. Step 5: Solve for x
   x = 3,387,798.82/2,109.33
6. Step 6: Final answer
   x = 1,606.10