Finding the Fourth Proportional to 52,327.20, 72,401.69 and 45,626.79

Step by Step Solution

1. Step 1: Write the proportion equation
   52,327.20 : 72,401.69 = 45,626.79 : x
2. Step 2: Convert to fraction form
   52,327.20/72,401.69 = 45,626.79/x
3. Step 3: Cross multiply
   52,327.20x = 72,401.69 × 45,626.79
4. Step 4: Simplify right side
   52,327.20x = 3,303,456,705.28
5. Step 5: Solve for x
   x = 3,303,456,705.28/52,327.20
6. Step 6: Final answer
   x = 63,130.78