Finding the Fourth Proportional to 52,647.34, 72,470.24 and 45,921.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,647.34 : 72,470.24 = 45,921.25 : x
2. Step 2: Convert to fraction form
   52,647.34/72,470.24 = 45,921.25/x
3. Step 3: Cross multiply
   52,647.34x = 72,470.24 × 45,921.25
4. Step 4: Simplify right side
   52,647.34x = 3,327,923,942.23
5. Step 5: Solve for x
   x = 3,327,923,942.23/52,647.34
6. Step 6: Final answer
   x = 63,211.63