Finding the Fourth Proportional to 11,945.76, 17,906.16 and 4,042.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.76 : 17,906.16 = 4,042.32 : x
2. Step 2: Convert to fraction form
   11,945.76/17,906.16 = 4,042.32/x
3. Step 3: Cross multiply
   11,945.76x = 17,906.16 × 4,042.32
4. Step 4: Simplify right side
   11,945.76x = 72,382,428.69
5. Step 5: Solve for x
   x = 72,382,428.69/11,945.76
6. Step 6: Final answer
   x = 6,059.26