Finding the Fourth Proportional to 72,600.85, 108,908.00 and 28,230.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,600.85 : 108,908.00 = 28,230.94 : x
2. Step 2: Convert to fraction form
   72,600.85/108,908.00 = 28,230.94/x
3. Step 3: Cross multiply
   72,600.85x = 108,908.00 × 28,230.94
4. Step 4: Simplify right side
   72,600.85x = 3,074,574,527.83
5. Step 5: Solve for x
   x = 3,074,574,527.83/72,600.85
6. Step 6: Final answer
   x = 42,349.02