Finding the Fourth Proportional to 12,896.73, 17,782.38 and 10,655.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.73 : 17,782.38 = 10,655.01 : x
2. Step 2: Convert to fraction form
   12,896.73/17,782.38 = 10,655.01/x
3. Step 3: Cross multiply
   12,896.73x = 17,782.38 × 10,655.01
4. Step 4: Simplify right side
   12,896.73x = 189,471,436.72
5. Step 5: Solve for x
   x = 189,471,436.72/12,896.73
6. Step 6: Final answer
   x = 14,691.43