Finding the Fourth Proportional to 11,837.94, 17,755.58 and 4,238.91

Step by Step Solution

1. Step 1: Write the proportion equation
   11,837.94 : 17,755.58 = 4,238.91 : x
2. Step 2: Convert to fraction form
   11,837.94/17,755.58 = 4,238.91/x
3. Step 3: Cross multiply
   11,837.94x = 17,755.58 × 4,238.91
4. Step 4: Simplify right side
   11,837.94x = 75,264,284.42
5. Step 5: Solve for x
   x = 75,264,284.42/11,837.94
6. Step 6: Final answer
   x = 6,357.89