Finding the Fourth Proportional to 79,090.99, 109,145.56 and 43,281

Step by Step Solution

1. Step 1: Write the proportion equation
   79,090.99 : 109,145.56 = 43,281 : x
2. Step 2: Convert to fraction form
   79,090.99/109,145.56 = 43,281/x
3. Step 3: Cross multiply
   79,090.99x = 109,145.56 × 43,281
4. Step 4: Simplify right side
   79,090.99x = 4,723,928,982.36
5. Step 5: Solve for x
   x = 4,723,928,982.36/79,090.99
6. Step 6: Final answer
   x = 59,727.78