Finding the Fourth Proportional to 17,278.72, 25,881.63 and 7,926.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,278.72 : 25,881.63 = 7,926.56 : x
2. Step 2: Convert to fraction form
   17,278.72/25,881.63 = 7,926.56/x
3. Step 3: Cross multiply
   17,278.72x = 25,881.63 × 7,926.56
4. Step 4: Simplify right side
   17,278.72x = 205,152,231.02
5. Step 5: Solve for x
   x = 205,152,231.02/17,278.72
6. Step 6: Final answer
   x = 11,873.12