Finding the Fourth Proportional to 10,066.85, 13,887.43 and 7,084.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.85 : 13,887.43 = 7,084.34 : x
2. Step 2: Convert to fraction form
   10,066.85/13,887.43 = 7,084.34/x
3. Step 3: Cross multiply
   10,066.85x = 13,887.43 × 7,084.34
4. Step 4: Simplify right side
   10,066.85x = 98,383,188.70
5. Step 5: Solve for x
   x = 98,383,188.70/10,066.85
6. Step 6: Final answer
   x = 9,772.99