Finding the Fourth Proportional to 12,826.05, 17,700.02 and 7,520.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.05 : 17,700.02 = 7,520.95 : x
2. Step 2: Convert to fraction form
   12,826.05/17,700.02 = 7,520.95/x
3. Step 3: Cross multiply
   12,826.05x = 17,700.02 × 7,520.95
4. Step 4: Simplify right side
   12,826.05x = 133,120,965.42
5. Step 5: Solve for x
   x = 133,120,965.42/12,826.05
6. Step 6: Final answer
   x = 10,378.95