Finding the Fourth Proportional to 12,031.39, 16,607.88 and 10,770.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,031.39 : 16,607.88 = 10,770.17 : x
2. Step 2: Convert to fraction form
   12,031.39/16,607.88 = 10,770.17/x
3. Step 3: Cross multiply
   12,031.39x = 16,607.88 × 10,770.17
4. Step 4: Simplify right side
   12,031.39x = 178,869,607.90
5. Step 5: Solve for x
   x = 178,869,607.90/12,031.39
6. Step 6: Final answer
   x = 14,866.91