Finding the Fourth Proportional to 79,109.90, 109,171.70 and 43,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   79,109.90 : 109,171.70 = 43,300.10 : x
2. Step 2: Convert to fraction form
   79,109.90/109,171.70 = 43,300.10/x
3. Step 3: Cross multiply
   79,109.90x = 109,171.70 × 43,300.10
4. Step 4: Simplify right side
   79,109.90x = 4,727,145,745.97
5. Step 5: Solve for x
   x = 4,727,145,745.97/79,109.90
6. Step 6: Final answer
   x = 59,754.16