Finding the Fourth Proportional to 6,436.34, 8,881.73 and 3,603.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,436.34 : 8,881.73 = 3,603.69 : x
2. Step 2: Convert to fraction form
   6,436.34/8,881.73 = 3,603.69/x
3. Step 3: Cross multiply
   6,436.34x = 8,881.73 × 3,603.69
4. Step 4: Simplify right side
   6,436.34x = 32,006,939.16
5. Step 5: Solve for x
   x = 32,006,939.16/6,436.34
6. Step 6: Final answer
   x = 4,972.85