Finding the Fourth Proportional to 11,945.33, 17,917.91 and 3,060.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,945.33 : 17,917.91 = 3,060.63 : x
2. Step 2: Convert to fraction form
   11,945.33/17,917.91 = 3,060.63/x
3. Step 3: Cross multiply
   11,945.33x = 17,917.91 × 3,060.63
4. Step 4: Simplify right side
   11,945.33x = 54,840,077.58
5. Step 5: Solve for x
   x = 54,840,077.58/11,945.33
6. Step 6: Final answer
   x = 4,590.92