Finding the Fourth Proportional to 79,589.74, 109,849.42 and 45,621

Step by Step Solution

1. Step 1: Write the proportion equation
   79,589.74 : 109,849.42 = 45,621 : x
2. Step 2: Convert to fraction form
   79,589.74/109,849.42 = 45,621/x
3. Step 3: Cross multiply
   79,589.74x = 109,849.42 × 45,621
4. Step 4: Simplify right side
   79,589.74x = 5,011,440,389.82
5. Step 5: Solve for x
   x = 5,011,440,389.82/79,589.74
6. Step 6: Final answer
   x = 62,965.91