Finding the Fourth Proportional to 21,782.39, 32,676.89 and 7,746.98

Step by Step Solution

1. Step 1: Write the proportion equation
   21,782.39 : 32,676.89 = 7,746.98 : x
2. Step 2: Convert to fraction form
   21,782.39/32,676.89 = 7,746.98/x
3. Step 3: Cross multiply
   21,782.39x = 32,676.89 × 7,746.98
4. Step 4: Simplify right side
   21,782.39x = 253,147,011.17
5. Step 5: Solve for x
   x = 253,147,011.17/21,782.39
6. Step 6: Final answer
   x = 11,621.64