Finding the Fourth Proportional to 87,649.94, 120,968.56 and 49,416.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,649.94 : 120,968.56 = 49,416.72 : x
2. Step 2: Convert to fraction form
   87,649.94/120,968.56 = 49,416.72/x
3. Step 3: Cross multiply
   87,649.94x = 120,968.56 × 49,416.72
4. Step 4: Simplify right side
   87,649.94x = 5,977,869,458.32
5. Step 5: Solve for x
   x = 5,977,869,458.32/87,649.94
6. Step 6: Final answer
   x = 68,201.64