Finding the Fourth Proportional to 82,485.91, 123,553.76 and 55,848.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,485.91 : 123,553.76 = 55,848.25 : x
2. Step 2: Convert to fraction form
   82,485.91/123,553.76 = 55,848.25/x
3. Step 3: Cross multiply
   82,485.91x = 123,553.76 × 55,848.25
4. Step 4: Simplify right side
   82,485.91x = 6,900,260,997.68
5. Step 5: Solve for x
   x = 6,900,260,997.68/82,485.91
6. Step 6: Final answer
   x = 83,653.81