Finding the Fourth Proportional to 9,864.17, 14,791.61 and 3,619.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.17 : 14,791.61 = 3,619.82 : x
2. Step 2: Convert to fraction form
   9,864.17/14,791.61 = 3,619.82/x
3. Step 3: Cross multiply
   9,864.17x = 14,791.61 × 3,619.82
4. Step 4: Simplify right side
   9,864.17x = 53,543,046.26
5. Step 5: Solve for x
   x = 53,543,046.26/9,864.17
6. Step 6: Final answer
   x = 5,428.04