Finding the Fourth Proportional to 79,499.30, 109,703.73 and 43,688.54

Step by Step Solution

1. Step 1: Write the proportion equation
   79,499.30 : 109,703.73 = 43,688.54 : x
2. Step 2: Convert to fraction form
   79,499.30/109,703.73 = 43,688.54/x
3. Step 3: Cross multiply
   79,499.30x = 109,703.73 × 43,688.54
4. Step 4: Simplify right side
   79,499.30x = 4,792,795,796.25
5. Step 5: Solve for x
   x = 4,792,795,796.25/79,499.30
6. Step 6: Final answer
   x = 60,287.27