Finding the Fourth Proportional to 12,826.50, 17,700.68 and 7,376.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.50 : 17,700.68 = 7,376.39 : x
2. Step 2: Convert to fraction form
   12,826.50/17,700.68 = 7,376.39/x
3. Step 3: Cross multiply
   12,826.50x = 17,700.68 × 7,376.39
4. Step 4: Simplify right side
   12,826.50x = 130,567,118.95
5. Step 5: Solve for x
   x = 130,567,118.95/12,826.50
6. Step 6: Final answer
   x = 10,179.48