Finding the Fourth Proportional to 8,914.73, 13,364.56 and 5,620.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.73 : 13,364.56 = 5,620.56 : x
2. Step 2: Convert to fraction form
   8,914.73/13,364.56 = 5,620.56/x
3. Step 3: Cross multiply
   8,914.73x = 13,364.56 × 5,620.56
4. Step 4: Simplify right side
   8,914.73x = 75,116,268.26
5. Step 5: Solve for x
   x = 75,116,268.26/8,914.73
6. Step 6: Final answer
   x = 8,426.09