Finding the Fourth Proportional to 11,109.76, 16,665.60 and 2,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.76 : 16,665.60 = 2,901.76 : x
2. Step 2: Convert to fraction form
   11,109.76/16,665.60 = 2,901.76/x
3. Step 3: Cross multiply
   11,109.76x = 16,665.60 × 2,901.76
4. Step 4: Simplify right side
   11,109.76x = 48,359,571.46
5. Step 5: Solve for x
   x = 48,359,571.46/11,109.76
6. Step 6: Final answer
   x = 4,352.89