Finding the Fourth Proportional to 7,705.71, 10,615.43 and 7,330.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,705.71 : 10,615.43 = 7,330.50 : x
2. Step 2: Convert to fraction form
   7,705.71/10,615.43 = 7,330.50/x
3. Step 3: Cross multiply
   7,705.71x = 10,615.43 × 7,330.50
4. Step 4: Simplify right side
   7,705.71x = 77,816,427.94
5. Step 5: Solve for x
   x = 77,816,427.94/7,705.71
6. Step 6: Final answer
   x = 10,098.54