Finding the Fourth Proportional to 79,093.38, 109,139.31 and 47,256.06

Step by Step Solution

1. Step 1: Write the proportion equation
   79,093.38 : 109,139.31 = 47,256.06 : x
2. Step 2: Convert to fraction form
   79,093.38/109,139.31 = 47,256.06/x
3. Step 3: Cross multiply
   79,093.38x = 109,139.31 × 47,256.06
4. Step 4: Simplify right side
   79,093.38x = 5,157,493,781.72
5. Step 5: Solve for x
   x = 5,157,493,781.72/79,093.38
6. Step 6: Final answer
   x = 65,207.65