Finding the Fourth Proportional to 158,711.94, 219,025.82 and 87,091.34

Step by Step Solution

1. Step 1: Write the proportion equation
   158,711.94 : 219,025.82 = 87,091.34 : x
2. Step 2: Convert to fraction form
   158,711.94/219,025.82 = 87,091.34/x
3. Step 3: Cross multiply
   158,711.94x = 219,025.82 × 87,091.34
4. Step 4: Simplify right side
   158,711.94x = 19,075,251,281.00
5. Step 5: Solve for x
   x = 19,075,251,281.00/158,711.94
6. Step 6: Final answer
   x = 120,187.88