Finding the Fourth Proportional to 198,453.24, 273,870.72 and 113,597.64

Step by Step Solution

1. Step 1: Write the proportion equation
   198,453.24 : 273,870.72 = 113,597.64 : x
2. Step 2: Convert to fraction form
   198,453.24/273,870.72 = 113,597.64/x
3. Step 3: Cross multiply
   198,453.24x = 273,870.72 × 113,597.64
4. Step 4: Simplify right side
   198,453.24x = 31,111,067,457.10
5. Step 5: Solve for x
   x = 31,111,067,457.10/198,453.24
6. Step 6: Final answer
   x = 156,767.75