Finding the Fourth Proportional to 259,903, 358,667.22 and 140,671

Step by Step Solution

1. Step 1: Write the proportion equation
   259,903 : 358,667.22 = 140,671 : x
2. Step 2: Convert to fraction form
   259,903/358,667.22 = 140,671/x
3. Step 3: Cross multiply
   259,903x = 358,667.22 × 140,671
4. Step 4: Simplify right side
   259,903x = 50,454,076,504.62
5. Step 5: Solve for x
   x = 50,454,076,504.62/259,903
6. Step 6: Final answer
   x = 194,126.56