Finding the Fourth Proportional to 8,726.18, 13,097.50 and 5,806.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.18 : 13,097.50 = 5,806.54 : x
2. Step 2: Convert to fraction form
   8,726.18/13,097.50 = 5,806.54/x
3. Step 3: Cross multiply
   8,726.18x = 13,097.50 × 5,806.54
4. Step 4: Simplify right side
   8,726.18x = 76,051,085.83
5. Step 5: Solve for x
   x = 76,051,085.83/8,726.18
6. Step 6: Final answer
   x = 8,715.28