Finding the Fourth Proportional to 79,300.54, 109,436.25 and 43,488.40

Step by Step Solution

1. Step 1: Write the proportion equation
   79,300.54 : 109,436.25 = 43,488.40 : x
2. Step 2: Convert to fraction form
   79,300.54/109,436.25 = 43,488.40/x
3. Step 3: Cross multiply
   79,300.54x = 109,436.25 × 43,488.40
4. Step 4: Simplify right side
   79,300.54x = 4,759,207,414.50
5. Step 5: Solve for x
   x = 4,759,207,414.50/79,300.54
6. Step 6: Final answer
   x = 60,014.82