Finding the Fourth Proportional to 82,410.86, 123,277.87 and 65,803.36

Step by Step Solution

1. Step 1: Write the proportion equation
   82,410.86 : 123,277.87 = 65,803.36 : x
2. Step 2: Convert to fraction form
   82,410.86/123,277.87 = 65,803.36/x
3. Step 3: Cross multiply
   82,410.86x = 123,277.87 × 65,803.36
4. Step 4: Simplify right side
   82,410.86x = 8,112,098,059.64
5. Step 5: Solve for x
   x = 8,112,098,059.64/82,410.86
6. Step 6: Final answer
   x = 98,434.82