Finding the Fourth Proportional to 82,848.37, 124,283.06 and 81,566.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,848.37 : 124,283.06 = 81,566.05 : x
2. Step 2: Convert to fraction form
   82,848.37/124,283.06 = 81,566.05/x
3. Step 3: Cross multiply
   82,848.37x = 124,283.06 × 81,566.05
4. Step 4: Simplify right side
   82,848.37x = 10,137,277,878.28
5. Step 5: Solve for x
   x = 10,137,277,878.28/82,848.37
6. Step 6: Final answer
   x = 122,359.41