Finding the Fourth Proportional to 87,320.82, 120,502.22 and 49,081.34

Step by Step Solution

1. Step 1: Write the proportion equation
   87,320.82 : 120,502.22 = 49,081.34 : x
2. Step 2: Convert to fraction form
   87,320.82/120,502.22 = 49,081.34/x
3. Step 3: Cross multiply
   87,320.82x = 120,502.22 × 49,081.34
4. Step 4: Simplify right side
   87,320.82x = 5,914,410,430.57
5. Step 5: Solve for x
   x = 5,914,410,430.57/87,320.82
6. Step 6: Final answer
   x = 67,731.96