Finding the Fourth Proportional to 12,826.33, 17,700.61 and 7,083.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826.33 : 17,700.61 = 7,083.77 : x
2. Step 2: Convert to fraction form
   12,826.33/17,700.61 = 7,083.77/x
3. Step 3: Cross multiply
   12,826.33x = 17,700.61 × 7,083.77
4. Step 4: Simplify right side
   12,826.33x = 125,386,926.18
5. Step 5: Solve for x
   x = 125,386,926.18/12,826.33
6. Step 6: Final answer
   x = 9,775.75