Finding the Fourth Proportional to 109,814.10, 164,672.55 and 50,619.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,814.10 : 164,672.55 = 50,619.30 : x
2. Step 2: Convert to fraction form
   109,814.10/164,672.55 = 50,619.30/x
3. Step 3: Cross multiply
   109,814.10x = 164,672.55 × 50,619.30
4. Step 4: Simplify right side
   109,814.10x = 8,335,609,210.22
5. Step 5: Solve for x
   x = 8,335,609,210.22/109,814.10
6. Step 6: Final answer
   x = 75,906.55