Finding the Fourth Proportional to 79,287.86, 109,425.94 and 50,633.91

Step by Step Solution

1. Step 1: Write the proportion equation
   79,287.86 : 109,425.94 = 50,633.91 : x
2. Step 2: Convert to fraction form
   79,287.86/109,425.94 = 50,633.91/x
3. Step 3: Cross multiply
   79,287.86x = 109,425.94 × 50,633.91
4. Step 4: Simplify right side
   79,287.86x = 5,540,663,071.04
5. Step 5: Solve for x
   x = 5,540,663,071.04/79,287.86
6. Step 6: Final answer
   x = 69,880.34