Finding the Fourth Proportional to 151,569.50, 209,165.83 and 87,042.94

Step by Step Solution

1. Step 1: Write the proportion equation
   151,569.50 : 209,165.83 = 87,042.94 : x
2. Step 2: Convert to fraction form
   151,569.50/209,165.83 = 87,042.94/x
3. Step 3: Cross multiply
   151,569.50x = 209,165.83 × 87,042.94
4. Step 4: Simplify right side
   151,569.50x = 18,206,408,050.22
5. Step 5: Solve for x
   x = 18,206,408,050.22/151,569.50
6. Step 6: Final answer
   x = 120,119.21