Finding the Fourth Proportional to 10,885.12, 16,326.56 and 3,494.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.12 : 16,326.56 = 3,494.88 : x
2. Step 2: Convert to fraction form
   10,885.12/16,326.56 = 3,494.88/x
3. Step 3: Cross multiply
   10,885.12x = 16,326.56 × 3,494.88
4. Step 4: Simplify right side
   10,885.12x = 57,059,376.75
5. Step 5: Solve for x
   x = 57,059,376.75/10,885.12
6. Step 6: Final answer
   x = 5,241.96