Finding the Fourth Proportional to 4,288.71, 6,436.71 and 1,693.47

Step by Step Solution

1. Step 1: Write the proportion equation
   4,288.71 : 6,436.71 = 1,693.47 : x
2. Step 2: Convert to fraction form
   4,288.71/6,436.71 = 1,693.47/x
3. Step 3: Cross multiply
   4,288.71x = 6,436.71 × 1,693.47
4. Step 4: Simplify right side
   4,288.71x = 10,900,375.28
5. Step 5: Solve for x
   x = 10,900,375.28/4,288.71
6. Step 6: Final answer
   x = 2,541.64