Finding the Fourth Proportional to 82,406.92, 123,483.16 and 55,648.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,406.92 : 123,483.16 = 55,648.05 : x
2. Step 2: Convert to fraction form
   82,406.92/123,483.16 = 55,648.05/x
3. Step 3: Cross multiply
   82,406.92x = 123,483.16 × 55,648.05
4. Step 4: Simplify right side
   82,406.92x = 6,871,597,061.84
5. Step 5: Solve for x
   x = 6,871,597,061.84/82,406.92
6. Step 6: Final answer
   x = 83,386.17