Finding the Fourth Proportional to 79,012.61, 109,039.37 and 47,968.22

Step by Step Solution

1. Step 1: Write the proportion equation
   79,012.61 : 109,039.37 = 47,968.22 : x
2. Step 2: Convert to fraction form
   79,012.61/109,039.37 = 47,968.22/x
3. Step 3: Cross multiply
   79,012.61x = 109,039.37 × 47,968.22
4. Step 4: Simplify right side
   79,012.61x = 5,230,423,703.78
5. Step 5: Solve for x
   x = 5,230,423,703.78/79,012.61
6. Step 6: Final answer
   x = 66,197.33