Finding the Fourth Proportional to 198,330.09, 273,667.98 and 116,662.05

Step by Step Solution

1. Step 1: Write the proportion equation
   198,330.09 : 273,667.98 = 116,662.05 : x
2. Step 2: Convert to fraction form
   198,330.09/273,667.98 = 116,662.05/x
3. Step 3: Cross multiply
   198,330.09x = 273,667.98 × 116,662.05
4. Step 4: Simplify right side
   198,330.09x = 31,926,667,566.16
5. Step 5: Solve for x
   x = 31,926,667,566.16/198,330.09
6. Step 6: Final answer
   x = 160,977.43