Finding the Fourth Proportional to 8,705.27, 12,013.28 and 4,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,705.27 : 12,013.28 = 4,726.38 : x
2. Step 2: Convert to fraction form
   8,705.27/12,013.28 = 4,726.38/x
3. Step 3: Cross multiply
   8,705.27x = 12,013.28 × 4,726.38
4. Step 4: Simplify right side
   8,705.27x = 56,779,302.69
5. Step 5: Solve for x
   x = 56,779,302.69/8,705.27
6. Step 6: Final answer
   x = 6,522.41