Finding the Fourth Proportional to 72,508.63, 108,768.13 and 30,346.26

Step by Step Solution

1. Step 1: Write the proportion equation
   72,508.63 : 108,768.13 = 30,346.26 : x
2. Step 2: Convert to fraction form
   72,508.63/108,768.13 = 30,346.26/x
3. Step 3: Cross multiply
   72,508.63x = 108,768.13 × 30,346.26
4. Step 4: Simplify right side
   72,508.63x = 3,300,705,952.69
5. Step 5: Solve for x
   x = 3,300,705,952.69/72,508.63
6. Step 6: Final answer
   x = 45,521.56