Finding the Fourth Proportional to 259,028.56, 357,114.72 and 194,222.08

Step by Step Solution

1. Step 1: Write the proportion equation
   259,028.56 : 357,114.72 = 194,222.08 : x
2. Step 2: Convert to fraction form
   259,028.56/357,114.72 = 194,222.08/x
3. Step 3: Cross multiply
   259,028.56x = 357,114.72 × 194,222.08
4. Step 4: Simplify right side
   259,028.56x = 69,359,563,717.02
5. Step 5: Solve for x
   x = 69,359,563,717.02/259,028.56
6. Step 6: Final answer
   x = 267,768.02