Finding the Fourth Proportional to 11,910.42, 17,872.83 and 4,124.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,910.42 : 17,872.83 = 4,124.70 : x
2. Step 2: Convert to fraction form
   11,910.42/17,872.83 = 4,124.70/x
3. Step 3: Cross multiply
   11,910.42x = 17,872.83 × 4,124.70
4. Step 4: Simplify right side
   11,910.42x = 73,720,061.90
5. Step 5: Solve for x
   x = 73,720,061.90/11,910.42
6. Step 6: Final answer
   x = 6,189.54