Finding the Fourth Proportional to 72,625.05, 108,922.50 and 28,250.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,625.05 : 108,922.50 = 28,250.82 : x
2. Step 2: Convert to fraction form
   72,625.05/108,922.50 = 28,250.82/x
3. Step 3: Cross multiply
   72,625.05x = 108,922.50 × 28,250.82
4. Step 4: Simplify right side
   72,625.05x = 3,077,149,941.45
5. Step 5: Solve for x
   x = 3,077,149,941.45/72,625.05
6. Step 6: Final answer
   x = 42,370.37