Finding the Fourth Proportional to 248,799, 373,256.82 and 82,587

Step by Step Solution

1. Step 1: Write the proportion equation
   248,799 : 373,256.82 = 82,587 : x
2. Step 2: Convert to fraction form
   248,799/373,256.82 = 82,587/x
3. Step 3: Cross multiply
   248,799x = 373,256.82 × 82,587
4. Step 4: Simplify right side
   248,799x = 30,826,160,993.34
5. Step 5: Solve for x
   x = 30,826,160,993.34/248,799
6. Step 6: Final answer
   x = 123,899.86