Finding the Fourth Proportional to 16,935.71, 23,356.05 and 10,961.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,935.71 : 23,356.05 = 10,961.15 : x
2. Step 2: Convert to fraction form
   16,935.71/23,356.05 = 10,961.15/x
3. Step 3: Cross multiply
   16,935.71x = 23,356.05 × 10,961.15
4. Step 4: Simplify right side
   16,935.71x = 256,009,167.46
5. Step 5: Solve for x
   x = 256,009,167.46/16,935.71
6. Step 6: Final answer
   x = 15,116.53