Finding the Fourth Proportional to 79,045.12, 109,117.85 and 50,403.17

Step by Step Solution

1. Step 1: Write the proportion equation
   79,045.12 : 109,117.85 = 50,403.17 : x
2. Step 2: Convert to fraction form
   79,045.12/109,117.85 = 50,403.17/x
3. Step 3: Cross multiply
   79,045.12x = 109,117.85 × 50,403.17
4. Step 4: Simplify right side
   79,045.12x = 5,499,885,155.17
5. Step 5: Solve for x
   x = 5,499,885,155.17/79,045.12
6. Step 6: Final answer
   x = 69,579.06