Finding the Fourth Proportional to 109,262.55, 163,919.17 and 34,380.75

Step by Step Solution

1. Step 1: Write the proportion equation
   109,262.55 : 163,919.17 = 34,380.75 : x
2. Step 2: Convert to fraction form
   109,262.55/163,919.17 = 34,380.75/x
3. Step 3: Cross multiply
   109,262.55x = 163,919.17 × 34,380.75
4. Step 4: Simplify right side
   109,262.55x = 5,635,663,361.45
5. Step 5: Solve for x
   x = 5,635,663,361.45/109,262.55
6. Step 6: Final answer
   x = 51,579.10