Finding the Fourth Proportional to 12,826.13, 17,702.46 and 7,520.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.13 : 17,702.46 = 7,520.94 : x
2. Step 2: Convert to fraction form
   12,826.13/17,702.46 = 7,520.94/x
3. Step 3: Cross multiply
   12,826.13x = 17,702.46 × 7,520.94
4. Step 4: Simplify right side
   12,826.13x = 133,139,139.51
5. Step 5: Solve for x
   x = 133,139,139.51/12,826.13
6. Step 6: Final answer
   x = 10,380.31