Finding the Fourth Proportional to 82,479.89, 123,695.16 and 43,015.48

Step by Step Solution

1. Step 1: Write the proportion equation
   82,479.89 : 123,695.16 = 43,015.48 : x
2. Step 2: Convert to fraction form
   82,479.89/123,695.16 = 43,015.48/x
3. Step 3: Cross multiply
   82,479.89x = 123,695.16 × 43,015.48
4. Step 4: Simplify right side
   82,479.89x = 5,320,806,580.23
5. Step 5: Solve for x
   x = 5,320,806,580.23/82,479.89
6. Step 6: Final answer
   x = 64,510.35