Finding the Fourth Proportional to 11,012.56, 16,526.20 and 4,087.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.56 : 16,526.20 = 4,087.76 : x
2. Step 2: Convert to fraction form
   11,012.56/16,526.20 = 4,087.76/x
3. Step 3: Cross multiply
   11,012.56x = 16,526.20 × 4,087.76
4. Step 4: Simplify right side
   11,012.56x = 67,555,139.31
5. Step 5: Solve for x
   x = 67,555,139.31/11,012.56
6. Step 6: Final answer
   x = 6,134.37