Finding the Fourth Proportional to 72,581.98, 108,844.98 and 28,202.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,581.98 : 108,844.98 = 28,202.89 : x
2. Step 2: Convert to fraction form
   72,581.98/108,844.98 = 28,202.89/x
3. Step 3: Cross multiply
   72,581.98x = 108,844.98 × 28,202.89
4. Step 4: Simplify right side
   72,581.98x = 3,069,742,997.99
5. Step 5: Solve for x
   x = 3,069,742,997.99/72,581.98
6. Step 6: Final answer
   x = 42,293.46