Finding the Fourth Proportional to 79,385.98, 109,561.35 and 50,732.05

Step by Step Solution

1. Step 1: Write the proportion equation
   79,385.98 : 109,561.35 = 50,732.05 : x
2. Step 2: Convert to fraction form
   79,385.98/109,561.35 = 50,732.05/x
3. Step 3: Cross multiply
   79,385.98x = 109,561.35 × 50,732.05
4. Step 4: Simplify right side
   79,385.98x = 5,558,271,886.27
5. Step 5: Solve for x
   x = 5,558,271,886.27/79,385.98
6. Step 6: Final answer
   x = 70,015.79