Finding the Fourth Proportional to 12,193.43, 16,826.81 and 7,156.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,193.43 : 16,826.81 = 7,156.76 : x
2. Step 2: Convert to fraction form
   12,193.43/16,826.81 = 7,156.76/x
3. Step 3: Cross multiply
   12,193.43x = 16,826.81 × 7,156.76
4. Step 4: Simplify right side
   12,193.43x = 120,425,320.82
5. Step 5: Solve for x
   x = 120,425,320.82/12,193.43
6. Step 6: Final answer
   x = 9,876.25