Finding the Fourth Proportional to 2,109.52, 3,145.86 and 2,010.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.52 : 3,145.86 = 2,010.16 : x
2. Step 2: Convert to fraction form
   2,109.52/3,145.86 = 2,010.16/x
3. Step 3: Cross multiply
   2,109.52x = 3,145.86 × 2,010.16
4. Step 4: Simplify right side
   2,109.52x = 6,323,681.94
5. Step 5: Solve for x
   x = 6,323,681.94/2,109.52
6. Step 6: Final answer
   x = 2,997.69