Finding the Fourth Proportional to 2,935.71, 4,404.78 and 1,636.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,935.71 : 4,404.78 = 1,636.88 : x
2. Step 2: Convert to fraction form
   2,935.71/4,404.78 = 1,636.88/x
3. Step 3: Cross multiply
   2,935.71x = 4,404.78 × 1,636.88
4. Step 4: Simplify right side
   2,935.71x = 7,210,074.26
5. Step 5: Solve for x
   x = 7,210,074.26/2,935.71
6. Step 6: Final answer
   x = 2,455.99