Finding the Fourth Proportional to 8,649.84, 11,938.72 and 5,663.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,649.84 : 11,938.72 = 5,663.94 : x
2. Step 2: Convert to fraction form
   8,649.84/11,938.72 = 5,663.94/x
3. Step 3: Cross multiply
   8,649.84x = 11,938.72 × 5,663.94
4. Step 4: Simplify right side
   8,649.84x = 67,620,146.31
5. Step 5: Solve for x
   x = 67,620,146.31/8,649.84
6. Step 6: Final answer
   x = 7,817.50