Finding the Fourth Proportional to 11,936.52, 17,910.57 and 4,921.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,936.52 : 17,910.57 = 4,921.74 : x
2. Step 2: Convert to fraction form
   11,936.52/17,910.57 = 4,921.74/x
3. Step 3: Cross multiply
   11,936.52x = 17,910.57 × 4,921.74
4. Step 4: Simplify right side
   11,936.52x = 88,151,168.79
5. Step 5: Solve for x
   x = 88,151,168.79/11,936.52
6. Step 6: Final answer
   x = 7,385.00