Finding the Fourth Proportional to 79,085.48, 109,137.86 and 43,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,085.48 : 109,137.86 = 43,275.50 : x
2. Step 2: Convert to fraction form
   79,085.48/109,137.86 = 43,275.50/x
3. Step 3: Cross multiply
   79,085.48x = 109,137.86 × 43,275.50
4. Step 4: Simplify right side
   79,085.48x = 4,722,995,460.43
5. Step 5: Solve for x
   x = 4,722,995,460.43/79,085.48
6. Step 6: Final answer
   x = 59,720.13