Finding the Fourth Proportional to 72,602.34, 108,849.48 and 30,494.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,602.34 : 108,849.48 = 30,494.76 : x
2. Step 2: Convert to fraction form
   72,602.34/108,849.48 = 30,494.76/x
3. Step 3: Cross multiply
   72,602.34x = 108,849.48 × 30,494.76
4. Step 4: Simplify right side
   72,602.34x = 3,319,338,768.72
5. Step 5: Solve for x
   x = 3,319,338,768.72/72,602.34
6. Step 6: Final answer
   x = 45,719.45