Finding the Fourth Proportional to 262,987, 362,922.06 and 143,755

Step by Step Solution

1. Step 1: Write the proportion equation
   262,987 : 362,922.06 = 143,755 : x
2. Step 2: Convert to fraction form
   262,987/362,922.06 = 143,755/x
3. Step 3: Cross multiply
   262,987x = 362,922.06 × 143,755
4. Step 4: Simplify right side
   262,987x = 52,171,860,735.30
5. Step 5: Solve for x
   x = 52,171,860,735.30/262,987
6. Step 6: Final answer
   x = 198,381.90