Finding the Fourth Proportional to 11,642.75, 16,036.39 and 8,948.82

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.75 : 16,036.39 = 8,948.82 : x
2. Step 2: Convert to fraction form
   11,642.75/16,036.39 = 8,948.82/x
3. Step 3: Cross multiply
   11,642.75x = 16,036.39 × 8,948.82
4. Step 4: Simplify right side
   11,642.75x = 143,506,700.96
5. Step 5: Solve for x
   x = 143,506,700.96/11,642.75
6. Step 6: Final answer
   x = 12,325.84