Finding the Fourth Proportional to 6,406.59, 9,611.51 and 1,789.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,406.59 : 9,611.51 = 1,789.59 : x
2. Step 2: Convert to fraction form
   6,406.59/9,611.51 = 1,789.59/x
3. Step 3: Cross multiply
   6,406.59x = 9,611.51 × 1,789.59
4. Step 4: Simplify right side
   6,406.59x = 17,200,699.34
5. Step 5: Solve for x
   x = 17,200,699.34/6,406.59
6. Step 6: Final answer
   x = 2,684.84