Finding the Fourth Proportional to 141,673.69, 195,503.39 and 81,200.98

Step by Step Solution

1. Step 1: Write the proportion equation
   141,673.69 : 195,503.39 = 81,200.98 : x
2. Step 2: Convert to fraction form
   141,673.69/195,503.39 = 81,200.98/x
3. Step 3: Cross multiply
   141,673.69x = 195,503.39 × 81,200.98
4. Step 4: Simplify right side
   141,673.69x = 15,875,066,455.32
5. Step 5: Solve for x
   x = 15,875,066,455.32/141,673.69
6. Step 6: Final answer
   x = 112,053.74