Finding the Fourth Proportional to 13,301.82, 19,946.52 and 7,756.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.82 : 19,946.52 = 7,756.56 : x
2. Step 2: Convert to fraction form
   13,301.82/19,946.52 = 7,756.56/x
3. Step 3: Cross multiply
   13,301.82x = 19,946.52 × 7,756.56
4. Step 4: Simplify right side
   13,301.82x = 154,716,379.17
5. Step 5: Solve for x
   x = 154,716,379.17/13,301.82
6. Step 6: Final answer
   x = 11,631.22