Finding the Fourth Proportional to 13,765.52, 18,995.82 and 7,477.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,765.52 : 18,995.82 = 7,477.76 : x
2. Step 2: Convert to fraction form
   13,765.52/18,995.82 = 7,477.76/x
3. Step 3: Cross multiply
   13,765.52x = 18,995.82 × 7,477.76
4. Step 4: Simplify right side
   13,765.52x = 142,046,182.96
5. Step 5: Solve for x
   x = 142,046,182.96/13,765.52
6. Step 6: Final answer
   x = 10,318.98