Finding the Fourth Proportional to 109,212.79, 163,819.25 and 30,327.02

Step by Step Solution

1. Step 1: Write the proportion equation
   109,212.79 : 163,819.25 = 30,327.02 : x
2. Step 2: Convert to fraction form
   109,212.79/163,819.25 = 30,327.02/x
3. Step 3: Cross multiply
   109,212.79x = 163,819.25 × 30,327.02
4. Step 4: Simplify right side
   109,212.79x = 4,968,149,519.50
5. Step 5: Solve for x
   x = 4,968,149,519.50/109,212.79
6. Step 6: Final answer
   x = 45,490.55