Finding the Fourth Proportional to 79,089.08, 109,081.32 and 50,797.40

Step by Step Solution

1. Step 1: Write the proportion equation
   79,089.08 : 109,081.32 = 50,797.40 : x
2. Step 2: Convert to fraction form
   79,089.08/109,081.32 = 50,797.40/x
3. Step 3: Cross multiply
   79,089.08x = 109,081.32 × 50,797.40
4. Step 4: Simplify right side
   79,089.08x = 5,541,047,444.57
5. Step 5: Solve for x
   x = 5,541,047,444.57/79,089.08
6. Step 6: Final answer
   x = 70,060.84