Finding the Fourth Proportional to 10,931.56, 16,402.14 and 5,736.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,931.56 : 16,402.14 = 5,736.22 : x
2. Step 2: Convert to fraction form
   10,931.56/16,402.14 = 5,736.22/x
3. Step 3: Cross multiply
   10,931.56x = 16,402.14 × 5,736.22
4. Step 4: Simplify right side
   10,931.56x = 94,086,283.51
5. Step 5: Solve for x
   x = 94,086,283.51/10,931.56
6. Step 6: Final answer
   x = 8,606.85