Finding the Fourth Proportional to 79,085.82, 109,138.43 and 43,275.83

Step by Step Solution

1. Step 1: Write the proportion equation
   79,085.82 : 109,138.43 = 43,275.83 : x
2. Step 2: Convert to fraction form
   79,085.82/109,138.43 = 43,275.83/x
3. Step 3: Cross multiply
   79,085.82x = 109,138.43 × 43,275.83
4. Step 4: Simplify right side
   79,085.82x = 4,723,056,511.06
5. Step 5: Solve for x
   x = 4,723,056,511.06/79,085.82
6. Step 6: Final answer
   x = 59,720.65