Finding the Fourth Proportional to 2,109.46, 2,910.80 and 1,301.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.46 : 2,910.80 = 1,301.79 : x
2. Step 2: Convert to fraction form
   2,109.46/2,910.80 = 1,301.79/x
3. Step 3: Cross multiply
   2,109.46x = 2,910.80 × 1,301.79
4. Step 4: Simplify right side
   2,109.46x = 3,789,248.13
5. Step 5: Solve for x
   x = 3,789,248.13/2,109.46
6. Step 6: Final answer
   x = 1,796.31