Finding the Fourth Proportional to 79,507.59, 109,674.79 and 49,647.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,507.59 : 109,674.79 = 49,647.75 : x
2. Step 2: Convert to fraction form
   79,507.59/109,674.79 = 49,647.75/x
3. Step 3: Cross multiply
   79,507.59x = 109,674.79 × 49,647.75
4. Step 4: Simplify right side
   79,507.59x = 5,445,106,431.10
5. Step 5: Solve for x
   x = 5,445,106,431.10/79,507.59
6. Step 6: Final answer
   x = 68,485.37