Finding the Fourth Proportional to 3,679.32, 5,077.59 and 2,107.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.32 : 5,077.59 = 2,107.92 : x
2. Step 2: Convert to fraction form
   3,679.32/5,077.59 = 2,107.92/x
3. Step 3: Cross multiply
   3,679.32x = 5,077.59 × 2,107.92
4. Step 4: Simplify right side
   3,679.32x = 10,703,153.51
5. Step 5: Solve for x
   x = 10,703,153.51/3,679.32
6. Step 6: Final answer
   x = 2,909.00