Finding the Fourth Proportional to 9,945.81, 13,723.15 and 5,914.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.81 : 13,723.15 = 5,914.07 : x
2. Step 2: Convert to fraction form
   9,945.81/13,723.15 = 5,914.07/x
3. Step 3: Cross multiply
   9,945.81x = 13,723.15 × 5,914.07
4. Step 4: Simplify right side
   9,945.81x = 81,159,640.15
5. Step 5: Solve for x
   x = 81,159,640.15/9,945.81
6. Step 6: Final answer
   x = 8,160.18