Finding the Fourth Proportional to 73,406.25, 101,300.63 and 39,872.25

Step by Step Solution

1. Step 1: Write the proportion equation
   73,406.25 : 101,300.63 = 39,872.25 : x
2. Step 2: Convert to fraction form
   73,406.25/101,300.63 = 39,872.25/x
3. Step 3: Cross multiply
   73,406.25x = 101,300.63 × 39,872.25
4. Step 4: Simplify right side
   73,406.25x = 4,039,083,845.16
5. Step 5: Solve for x
   x = 4,039,083,845.16/73,406.25
6. Step 6: Final answer
   x = 55,023.71