Finding the Fourth Proportional to 82,536.24, 113,644.98 and 64,459.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,536.24 : 113,644.98 = 64,459.98 : x
2. Step 2: Convert to fraction form
   82,536.24/113,644.98 = 64,459.98/x
3. Step 3: Cross multiply
   82,536.24x = 113,644.98 × 64,459.98
4. Step 4: Simplify right side
   82,536.24x = 7,325,553,137.90
5. Step 5: Solve for x
   x = 7,325,553,137.90/82,536.24
6. Step 6: Final answer
   x = 88,755.60