Finding the Fourth Proportional to 82,731.06, 124,018.80 and 43,314.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82,731.06 : 124,018.80 = 43,314.06 : x
2. Step 2: Convert to fraction form
   82,731.06/124,018.80 = 43,314.06/x
3. Step 3: Cross multiply
   82,731.06x = 124,018.80 × 43,314.06
4. Step 4: Simplify right side
   82,731.06x = 5,371,757,744.33
5. Step 5: Solve for x
   x = 5,371,757,744.33/82,731.06
6. Step 6: Final answer
   x = 64,930.36