Finding the Fourth Proportional to 11,920.50, 17,876.43 and 5,343.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,920.50 : 17,876.43 = 5,343.30 : x
2. Step 2: Convert to fraction form
   11,920.50/17,876.43 = 5,343.30/x
3. Step 3: Cross multiply
   11,920.50x = 17,876.43 × 5,343.30
4. Step 4: Simplify right side
   11,920.50x = 95,519,128.42
5. Step 5: Solve for x
   x = 95,519,128.42/11,920.50
6. Step 6: Final answer
   x = 8,013.01