Finding the Fourth Proportional to 109,900.28, 164,715.30 and 50,653.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,900.28 : 164,715.30 = 50,653.72 : x
2. Step 2: Convert to fraction form
   109,900.28/164,715.30 = 50,653.72/x
3. Step 3: Cross multiply
   109,900.28x = 164,715.30 × 50,653.72
4. Step 4: Simplify right side
   109,900.28x = 8,343,442,685.92
5. Step 5: Solve for x
   x = 8,343,442,685.92/109,900.28
6. Step 6: Final answer
   x = 75,918.30