Finding the Fourth Proportional to 109,635.10, 164,404.05 and 50,440.30

Step by Step Solution

1. Step 1: Write the proportion equation
   109,635.10 : 164,404.05 = 50,440.30 : x
2. Step 2: Convert to fraction form
   109,635.10/164,404.05 = 50,440.30/x
3. Step 3: Cross multiply
   109,635.10x = 164,404.05 × 50,440.30
4. Step 4: Simplify right side
   109,635.10x = 8,292,589,603.22
5. Step 5: Solve for x
   x = 8,292,589,603.22/109,635.10
6. Step 6: Final answer
   x = 75,638.09