Finding the Fourth Proportional to 9,839.67, 14,725.49 and 8,064.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,839.67 : 14,725.49 = 8,064.15 : x
2. Step 2: Convert to fraction form
   9,839.67/14,725.49 = 8,064.15/x
3. Step 3: Cross multiply
   9,839.67x = 14,725.49 × 8,064.15
4. Step 4: Simplify right side
   9,839.67x = 118,748,519.86
5. Step 5: Solve for x
   x = 118,748,519.86/9,839.67
6. Step 6: Final answer
   x = 12,068.34