Finding the Fourth Proportional to 12,454.14, 17,151.50 and 10,961.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,454.14 : 17,151.50 = 10,961.51 : x
2. Step 2: Convert to fraction form
   12,454.14/17,151.50 = 10,961.51/x
3. Step 3: Cross multiply
   12,454.14x = 17,151.50 × 10,961.51
4. Step 4: Simplify right side
   12,454.14x = 188,006,338.77
5. Step 5: Solve for x
   x = 188,006,338.77/12,454.14
6. Step 6: Final answer
   x = 15,095.89