Finding the Fourth Proportional to 79,457.82, 109,620.42 and 51,179.94

Step by Step Solution

1. Step 1: Write the proportion equation
   79,457.82 : 109,620.42 = 51,179.94 : x
2. Step 2: Convert to fraction form
   79,457.82/109,620.42 = 51,179.94/x
3. Step 3: Cross multiply
   79,457.82x = 109,620.42 × 51,179.94
4. Step 4: Simplify right side
   79,457.82x = 5,610,366,518.37
5. Step 5: Solve for x
   x = 5,610,366,518.37/79,457.82
6. Step 6: Final answer
   x = 70,608.11