Finding the Fourth Proportional to 13,491.16, 20,245.83 and 4,726.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,491.16 : 20,245.83 = 4,726.15 : x
2. Step 2: Convert to fraction form
   13,491.16/20,245.83 = 4,726.15/x
3. Step 3: Cross multiply
   13,491.16x = 20,245.83 × 4,726.15
4. Step 4: Simplify right side
   13,491.16x = 95,684,829.45
5. Step 5: Solve for x
   x = 95,684,829.45/13,491.16
6. Step 6: Final answer
   x = 7,092.41