Finding the Fourth Proportional to 141,724.50, 195,565.61 and 87,267.94

Step by Step Solution

1. Step 1: Write the proportion equation
   141,724.50 : 195,565.61 = 87,267.94 : x
2. Step 2: Convert to fraction form
   141,724.50/195,565.61 = 87,267.94/x
3. Step 3: Cross multiply
   141,724.50x = 195,565.61 × 87,267.94
4. Step 4: Simplify right side
   141,724.50x = 17,066,607,648.80
5. Step 5: Solve for x
   x = 17,066,607,648.80/141,724.50
6. Step 6: Final answer
   x = 120,421.01