Finding the Fourth Proportional to 11,935.32, 16,472.16 and 7,156.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,935.32 : 16,472.16 = 7,156.68 : x
2. Step 2: Convert to fraction form
   11,935.32/16,472.16 = 7,156.68/x
3. Step 3: Cross multiply
   11,935.32x = 16,472.16 × 7,156.68
4. Step 4: Simplify right side
   11,935.32x = 117,885,978.03
5. Step 5: Solve for x
   x = 117,885,978.03/11,935.32
6. Step 6: Final answer
   x = 9,877.07