Finding the Fourth Proportional to 11,933.91, 17,887.41 and 5,688.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,933.91 : 17,887.41 = 5,688.81 : x
2. Step 2: Convert to fraction form
   11,933.91/17,887.41 = 5,688.81/x
3. Step 3: Cross multiply
   11,933.91x = 17,887.41 × 5,688.81
4. Step 4: Simplify right side
   11,933.91x = 101,758,076.88
5. Step 5: Solve for x
   x = 101,758,076.88/11,933.91
6. Step 6: Final answer
   x = 8,526.80