Finding the Fourth Proportional to 82,485.14, 123,717.98 and 64,959.98

Step by Step Solution

1. Step 1: Write the proportion equation
   82,485.14 : 123,717.98 = 64,959.98 : x
2. Step 2: Convert to fraction form
   82,485.14/123,717.98 = 64,959.98/x
3. Step 3: Cross multiply
   82,485.14x = 123,717.98 × 64,959.98
4. Step 4: Simplify right side
   82,485.14x = 8,036,717,050.25
5. Step 5: Solve for x
   x = 8,036,717,050.25/82,485.14
6. Step 6: Final answer
   x = 97,432.31