Finding the Fourth Proportional to 2,109.69, 3,152.76 and 1,892.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.69 : 3,152.76 = 1,892.88 : x
2. Step 2: Convert to fraction form
   2,109.69/3,152.76 = 1,892.88/x
3. Step 3: Cross multiply
   2,109.69x = 3,152.76 × 1,892.88
4. Step 4: Simplify right side
   2,109.69x = 5,967,796.35
5. Step 5: Solve for x
   x = 5,967,796.35/2,109.69
6. Step 6: Final answer
   x = 2,828.76