Finding the Fourth Proportional to 9,836.03, 14,758.15 and 5,456.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.03 : 14,758.15 = 5,456.57 : x
2. Step 2: Convert to fraction form
   9,836.03/14,758.15 = 5,456.57/x
3. Step 3: Cross multiply
   9,836.03x = 14,758.15 × 5,456.57
4. Step 4: Simplify right side
   9,836.03x = 80,528,801.34
5. Step 5: Solve for x
   x = 80,528,801.34/9,836.03
6. Step 6: Final answer
   x = 8,187.12