Finding the Fourth Proportional to 87,096.72, 120,215.70 and 49,392.84

Step by Step Solution

1. Step 1: Write the proportion equation
   87,096.72 : 120,215.70 = 49,392.84 : x
2. Step 2: Convert to fraction form
   87,096.72/120,215.70 = 49,392.84/x
3. Step 3: Cross multiply
   87,096.72x = 120,215.70 × 49,392.84
4. Step 4: Simplify right side
   87,096.72x = 5,937,794,835.59
5. Step 5: Solve for x
   x = 5,937,794,835.59/87,096.72
6. Step 6: Final answer
   x = 68,174.72