Finding the Fourth Proportional to 11,961.34, 16,505.89 and 6,656.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,961.34 : 16,505.89 = 6,656.02 : x
2. Step 2: Convert to fraction form
   11,961.34/16,505.89 = 6,656.02/x
3. Step 3: Cross multiply
   11,961.34x = 16,505.89 × 6,656.02
4. Step 4: Simplify right side
   11,961.34x = 109,863,533.96
5. Step 5: Solve for x
   x = 109,863,533.96/11,961.34
6. Step 6: Final answer
   x = 9,184.89