Finding the Fourth Proportional to 6,404.06, 9,607.71 and 1,787.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.06 : 9,607.71 = 1,787.06 : x
2. Step 2: Convert to fraction form
   6,404.06/9,607.71 = 1,787.06/x
3. Step 3: Cross multiply
   6,404.06x = 9,607.71 × 1,787.06
4. Step 4: Simplify right side
   6,404.06x = 17,169,584.95
5. Step 5: Solve for x
   x = 17,169,584.95/6,404.06
6. Step 6: Final answer
   x = 2,681.05