Finding the Fourth Proportional to 87,314.34, 120,404.06 and 72,968.82

Step by Step Solution

1. Step 1: Write the proportion equation
   87,314.34 : 120,404.06 = 72,968.82 : x
2. Step 2: Convert to fraction form
   87,314.34/120,404.06 = 72,968.82/x
3. Step 3: Cross multiply
   87,314.34x = 120,404.06 × 72,968.82
4. Step 4: Simplify right side
   87,314.34x = 8,785,741,912.32
5. Step 5: Solve for x
   x = 8,785,741,912.32/87,314.34
6. Step 6: Final answer
   x = 100,621.99