Finding the Fourth Proportional to 72,638.39, 108,723.22 and 37,529.75

Step by Step Solution

1. Step 1: Write the proportion equation
   72,638.39 : 108,723.22 = 37,529.75 : x
2. Step 2: Convert to fraction form
   72,638.39/108,723.22 = 37,529.75/x
3. Step 3: Cross multiply
   72,638.39x = 108,723.22 × 37,529.75
4. Step 4: Simplify right side
   72,638.39x = 4,080,354,937.76
5. Step 5: Solve for x
   x = 4,080,354,937.76/72,638.39
6. Step 6: Final answer
   x = 56,173.53