Finding the Fourth Proportional to 72,633.27, 108,956.99 and 28,263.63

Step by Step Solution

1. Step 1: Write the proportion equation
   72,633.27 : 108,956.99 = 28,263.63 : x
2. Step 2: Convert to fraction form
   72,633.27/108,956.99 = 28,263.63/x
3. Step 3: Cross multiply
   72,633.27x = 108,956.99 × 28,263.63
4. Step 4: Simplify right side
   72,633.27x = 3,079,519,909.96
5. Step 5: Solve for x
   x = 3,079,519,909.96/72,633.27
6. Step 6: Final answer
   x = 42,398.20