Finding the Fourth Proportional to 12,700.94, 17,511.81 and 9,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.94 : 17,511.81 = 9,333.50 : x
2. Step 2: Convert to fraction form
   12,700.94/17,511.81 = 9,333.50/x
3. Step 3: Cross multiply
   12,700.94x = 17,511.81 × 9,333.50
4. Step 4: Simplify right side
   12,700.94x = 163,446,478.64
5. Step 5: Solve for x
   x = 163,446,478.64/12,700.94
6. Step 6: Final answer
   x = 12,868.85