Finding the Fourth Proportional to 11,655.02, 17,479.47 and 7,956.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,655.02 : 17,479.47 = 7,956.56 : x
2. Step 2: Convert to fraction form
   11,655.02/17,479.47 = 7,956.56/x
3. Step 3: Cross multiply
   11,655.02x = 17,479.47 × 7,956.56
4. Step 4: Simplify right side
   11,655.02x = 139,076,451.82
5. Step 5: Solve for x
   x = 139,076,451.82/11,655.02
6. Step 6: Final answer
   x = 11,932.75