Finding the Fourth Proportional to 109,079.30, 150,604 and 83,540.54

Step by Step Solution

1. Step 1: Write the proportion equation
   109,079.30 : 150,604 = 83,540.54 : x
2. Step 2: Convert to fraction form
   109,079.30/150,604 = 83,540.54/x
3. Step 3: Cross multiply
   109,079.30x = 150,604 × 83,540.54
4. Step 4: Simplify right side
   109,079.30x = 12,581,539,486.16
5. Step 5: Solve for x
   x = 12,581,539,486.16/109,079.30
6. Step 6: Final answer
   x = 115,343.05