Finding the Fourth Proportional to 10,885.40, 16,326.46 and 3,488.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.40 : 16,326.46 = 3,488.86 : x
2. Step 2: Convert to fraction form
   10,885.40/16,326.46 = 3,488.86/x
3. Step 3: Cross multiply
   10,885.40x = 16,326.46 × 3,488.86
4. Step 4: Simplify right side
   10,885.40x = 56,960,666.17
5. Step 5: Solve for x
   x = 56,960,666.17/10,885.40
6. Step 6: Final answer
   x = 5,232.76