Finding the Fourth Proportional to 72,429.39, 108,630.82 and 30,298.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,429.39 : 108,630.82 = 30,298.25 : x
2. Step 2: Convert to fraction form
   72,429.39/108,630.82 = 30,298.25/x
3. Step 3: Cross multiply
   72,429.39x = 108,630.82 × 30,298.25
4. Step 4: Simplify right side
   72,429.39x = 3,291,324,051.51
5. Step 5: Solve for x
   x = 3,291,324,051.51/72,429.39
6. Step 6: Final answer
   x = 45,441.83