Finding the Fourth Proportional to 109,353.20, 164,036.28 and 34,475.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,353.20 : 164,036.28 = 34,475.72 : x
2. Step 2: Convert to fraction form
   109,353.20/164,036.28 = 34,475.72/x
3. Step 3: Cross multiply
   109,353.20x = 164,036.28 × 34,475.72
4. Step 4: Simplify right side
   109,353.20x = 5,655,268,859.12
5. Step 5: Solve for x
   x = 5,655,268,859.12/109,353.20
6. Step 6: Final answer
   x = 51,715.62