Finding the Fourth Proportional to 73,056, 100,818 and 39,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,056 : 100,818 = 39,522.72 : x
2. Step 2: Convert to fraction form
   73,056/100,818 = 39,522.72/x
3. Step 3: Cross multiply
   73,056x = 100,818 × 39,522.72
4. Step 4: Simplify right side
   73,056x = 3,984,601,584.96
5. Step 5: Solve for x
   x = 3,984,601,584.96/73,056
6. Step 6: Final answer
   x = 54,541.74