Finding the Fourth Proportional to 72,600.60, 108,864.45 and 33,113.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,600.60 : 108,864.45 = 33,113.10 : x
2. Step 2: Convert to fraction form
   72,600.60/108,864.45 = 33,113.10/x
3. Step 3: Cross multiply
   72,600.60x = 108,864.45 × 33,113.10
4. Step 4: Simplify right side
   72,600.60x = 3,604,839,419.30
5. Step 5: Solve for x
   x = 3,604,839,419.30/72,600.60
6. Step 6: Final answer
   x = 49,653.03