Finding the Fourth Proportional to 87,081.30, 120,173.57 and 48,849.35

Step by Step Solution

1. Step 1: Write the proportion equation
   87,081.30 : 120,173.57 = 48,849.35 : x
2. Step 2: Convert to fraction form
   87,081.30/120,173.57 = 48,849.35/x
3. Step 3: Cross multiply
   87,081.30x = 120,173.57 × 48,849.35
4. Step 4: Simplify right side
   87,081.30x = 5,870,399,936.56
5. Step 5: Solve for x
   x = 5,870,399,936.56/87,081.30
6. Step 6: Final answer
   x = 67,412.87