Finding the Fourth Proportional to 158,737.35, 219,050.69 and 87,118.59

Step by Step Solution

1. Step 1: Write the proportion equation
   158,737.35 : 219,050.69 = 87,118.59 : x
2. Step 2: Convert to fraction form
   158,737.35/219,050.69 = 87,118.59/x
3. Step 3: Cross multiply
   158,737.35x = 219,050.69 × 87,118.59
4. Step 4: Simplify right side
   158,737.35x = 19,083,386,815.73
5. Step 5: Solve for x
   x = 19,083,386,815.73/158,737.35
6. Step 6: Final answer
   x = 120,219.89