Finding the Fourth Proportional to 21,749.82, 32,624.82 and 7,706.76

Step by Step Solution

1. Step 1: Write the proportion equation
   21,749.82 : 32,624.82 = 7,706.76 : x
2. Step 2: Convert to fraction form
   21,749.82/32,624.82 = 7,706.76/x
3. Step 3: Cross multiply
   21,749.82x = 32,624.82 × 7,706.76
4. Step 4: Simplify right side
   21,749.82x = 251,431,657.78
5. Step 5: Solve for x
   x = 251,431,657.78/21,749.82
6. Step 6: Final answer
   x = 11,560.17