Finding the Fourth Proportional to 79,042.51, 109,056.69 and 47,199.79

Step by Step Solution

1. Step 1: Write the proportion equation
   79,042.51 : 109,056.69 = 47,199.79 : x
2. Step 2: Convert to fraction form
   79,042.51/109,056.69 = 47,199.79/x
3. Step 3: Cross multiply
   79,042.51x = 109,056.69 × 47,199.79
4. Step 4: Simplify right side
   79,042.51x = 5,147,452,866.10
5. Step 5: Solve for x
   x = 5,147,452,866.10/79,042.51
6. Step 6: Final answer
   x = 65,122.59