Finding the Fourth Proportional to 259,244, 357,756.72 and 140,012

Step by Step Solution

1. Step 1: Write the proportion equation
   259,244 : 357,756.72 = 140,012 : x
2. Step 2: Convert to fraction form
   259,244/357,756.72 = 140,012/x
3. Step 3: Cross multiply
   259,244x = 357,756.72 × 140,012
4. Step 4: Simplify right side
   259,244x = 50,090,233,880.64
5. Step 5: Solve for x
   x = 50,090,233,880.64/259,244
6. Step 6: Final answer
   x = 193,216.56