Finding the Fourth Proportional to 79,012.35, 109,040.43 and 43,200.23

Step by Step Solution

1. Step 1: Write the proportion equation
   79,012.35 : 109,040.43 = 43,200.23 : x
2. Step 2: Convert to fraction form
   79,012.35/109,040.43 = 43,200.23/x
3. Step 3: Cross multiply
   79,012.35x = 109,040.43 × 43,200.23
4. Step 4: Simplify right side
   79,012.35x = 4,710,571,110.10
5. Step 5: Solve for x
   x = 4,710,571,110.10/79,012.35
6. Step 6: Final answer
   x = 59,618.16