Finding the Fourth Proportional to 10,971.34, 15,140.39 and 5,935.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.34 : 15,140.39 = 5,935.56 : x
2. Step 2: Convert to fraction form
   10,971.34/15,140.39 = 5,935.56/x
3. Step 3: Cross multiply
   10,971.34x = 15,140.39 × 5,935.56
4. Step 4: Simplify right side
   10,971.34x = 89,866,606.81
5. Step 5: Solve for x
   x = 89,866,606.81/10,971.34
6. Step 6: Final answer
   x = 8,191.03