Finding the Fourth Proportional to 45,039.25, 62,168.75 and 28,272.25

Step by Step Solution

1. Step 1: Write the proportion equation
   45,039.25 : 62,168.75 = 28,272.25 : x
2. Step 2: Convert to fraction form
   45,039.25/62,168.75 = 28,272.25/x
3. Step 3: Cross multiply
   45,039.25x = 62,168.75 × 28,272.25
4. Step 4: Simplify right side
   45,039.25x = 1,757,650,300.83
5. Step 5: Solve for x
   x = 1,757,650,300.83/45,039.25
6. Step 6: Final answer
   x = 39,024.86