Finding the Fourth Proportional to 11,641.31, 17,457.71 and 4,243.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,641.31 : 17,457.71 = 4,243.58 : x
2. Step 2: Convert to fraction form
   11,641.31/17,457.71 = 4,243.58/x
3. Step 3: Cross multiply
   11,641.31x = 17,457.71 × 4,243.58
4. Step 4: Simplify right side
   11,641.31x = 74,083,189.00
5. Step 5: Solve for x
   x = 74,083,189.00/11,641.31
6. Step 6: Final answer
   x = 6,363.82