Finding the Fourth Proportional to 198,719.69, 274,303.58 and 118,146.83

Step by Step Solution

1. Step 1: Write the proportion equation
   198,719.69 : 274,303.58 = 118,146.83 : x
2. Step 2: Convert to fraction form
   198,719.69/274,303.58 = 118,146.83/x
3. Step 3: Cross multiply
   198,719.69x = 274,303.58 × 118,146.83
4. Step 4: Simplify right side
   198,719.69x = 32,408,096,472.40
5. Step 5: Solve for x
   x = 32,408,096,472.40/198,719.69
6. Step 6: Final answer
   x = 163,084.48