Finding the Fourth Proportional to 10,622.76, 14,662.50 and 7,085.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,622.76 : 14,662.50 = 7,085.96 : x
2. Step 2: Convert to fraction form
   10,622.76/14,662.50 = 7,085.96/x
3. Step 3: Cross multiply
   10,622.76x = 14,662.50 × 7,085.96
4. Step 4: Simplify right side
   10,622.76x = 103,897,965.93
5. Step 5: Solve for x
   x = 103,897,965.93/10,622.76
6. Step 6: Final answer
   x = 9,780.69