Finding the Fourth Proportional to 143,577.18, 198,128.82 and 79,033.86

Step by Step Solution

1. Step 1: Write the proportion equation
   143,577.18 : 198,128.82 = 79,033.86 : x
2. Step 2: Convert to fraction form
   143,577.18/198,128.82 = 79,033.86/x
3. Step 3: Cross multiply
   143,577.18x = 198,128.82 × 79,033.86
4. Step 4: Simplify right side
   143,577.18x = 15,658,885,421.85
5. Step 5: Solve for x
   x = 15,658,885,421.85/143,577.18
6. Step 6: Final answer
   x = 109,062.49