Finding the Fourth Proportional to 79,164.16, 109,254.78 and 46,918

Step by Step Solution

1. Step 1: Write the proportion equation
   79,164.16 : 109,254.78 = 46,918 : x
2. Step 2: Convert to fraction form
   79,164.16/109,254.78 = 46,918/x
3. Step 3: Cross multiply
   79,164.16x = 109,254.78 × 46,918
4. Step 4: Simplify right side
   79,164.16x = 5,126,015,768.04
5. Step 5: Solve for x
   x = 5,126,015,768.04/79,164.16
6. Step 6: Final answer
   x = 64,751.72