Finding the Fourth Proportional to 79,399.29, 109,571.99 and 45,407.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,399.29 : 109,571.99 = 45,407.25 : x
2. Step 2: Convert to fraction form
   79,399.29/109,571.99 = 45,407.25/x
3. Step 3: Cross multiply
   79,399.29x = 109,571.99 × 45,407.25
4. Step 4: Simplify right side
   79,399.29x = 4,975,362,515.89
5. Step 5: Solve for x
   x = 4,975,362,515.89/79,399.29
6. Step 6: Final answer
   x = 62,662.56