Finding the Fourth Proportional to 12,555.82, 18,826.43 and 4,760.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,555.82 : 18,826.43 = 4,760.38 : x
2. Step 2: Convert to fraction form
   12,555.82/18,826.43 = 4,760.38/x
3. Step 3: Cross multiply
   12,555.82x = 18,826.43 × 4,760.38
4. Step 4: Simplify right side
   12,555.82x = 89,620,866.71
5. Step 5: Solve for x
   x = 89,620,866.71/12,555.82
6. Step 6: Final answer
   x = 7,137.80