Finding the Fourth Proportional to 173,443.68, 259,796.69 and 83,354.09

Step by Step Solution

1. Step 1: Write the proportion equation
   173,443.68 : 259,796.69 = 83,354.09 : x
2. Step 2: Convert to fraction form
   173,443.68/259,796.69 = 83,354.09/x
3. Step 3: Cross multiply
   173,443.68x = 259,796.69 × 83,354.09
4. Step 4: Simplify right side
   173,443.68x = 21,655,116,241.90
5. Step 5: Solve for x
   x = 21,655,116,241.90/173,443.68
6. Step 6: Final answer
   x = 124,853.88