Finding the Fourth Proportional to 72,662.12, 109,035.24 and 30,538.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,662.12 : 109,035.24 = 30,538.88 : x
2. Step 2: Convert to fraction form
   72,662.12/109,035.24 = 30,538.88/x
3. Step 3: Cross multiply
   72,662.12x = 109,035.24 × 30,538.88
4. Step 4: Simplify right side
   72,662.12x = 3,329,814,110.13
5. Step 5: Solve for x
   x = 3,329,814,110.13/72,662.12
6. Step 6: Final answer
   x = 45,826.00