Finding the Fourth Proportional to 79,256.66, 109,377.59 and 47,419.43

Step by Step Solution

1. Step 1: Write the proportion equation
   79,256.66 : 109,377.59 = 47,419.43 : x
2. Step 2: Convert to fraction form
   79,256.66/109,377.59 = 47,419.43/x
3. Step 3: Cross multiply
   79,256.66x = 109,377.59 × 47,419.43
4. Step 4: Simplify right side
   79,256.66x = 5,186,622,188.59
5. Step 5: Solve for x
   x = 5,186,622,188.59/79,256.66
6. Step 6: Final answer
   x = 65,440.84